EEF-CVE-2026-91039 dynamic_oidc identities are not namespaced by connection in ash_authentication, allowing cross-connection account takeover

Summary Authentication Bypass by Spoofing vulnerability in team-alembic ashauthentication allows an attacker who operates one identity-provider connection of a dynamicoidc strategy to be signed in as a local user established through a different connection. The strategy is meant to keep each...

EEF-CVE-2026-88952 OAuth2 sign-in attached to an existing account without an email comparison in AshAuthentication

Summary Improper Authentication vulnerability in team-alembic AshAuthentication allows an attacker to be signed in as another user by linking an OAuth2 identity to an account that is not theirs. AshAuthentication.Strategy.OAuth2.UserResolver.resolve/3 matches an existing account using the registe...

EEF-CVE-2026-85500 `require_confirmed_with` is not enforced on the action and fails open on an unreadable attribute in AshAuthentication

Summary Authentication Bypass by Primary Weakness vulnerability in team-alembic AshAuthentication allows an unconfirmed user to obtain a session, defeating a mandatory email confirmation requirement. AshAuthentication.Strategy.Password.Actions.checkuser/2 decides whether the attribute named by...

EEF-CVE-2026-86533 Revoked session accepted because the session jti is never checked in AshAuthentication and AshAuthentication Phoenix

Summary Insufficient Session Expiration vulnerability in team-alembic AshAuthentication and AshAuthentication Phoenix allows a revoked session to remain fully authenticated. A resource configured with sessionidentifier :jti and requiretokenpresenceforauthentication? disabled stores its session...

EEF-CVE-2026-81632 Single-use sign-in token placed in a redirect query string in AshAuthenticationPhoenix

Summary Use of HTTP Request With Sensitive Query String vulnerability in team-alembic AshAuthenticationPhoenix allows someone able to read access logs, proxy logs or browser history to recover a single-use sign-in token and authenticate as its owner. After a successful password sign-in,...

EEF-CVE-2026-80218 Sign-in token minted for one resource accepted by another in AshAuthentication

Summary Improper Authentication vulnerability in team-alembic AshAuthentication allows an attacker holding a sign-in token for one authenticated resource to be signed in as a user of a different resource. AshAuthentication.Strategy.Password.SignInWithTokenPreparation.extractprimarykeysfromsubject...

EEF-CVE-2026-78223 Token revocation record built from unverified JWT claims in AshAuthentication

Summary Improper Verification of Cryptographic Signature vulnerability in team-alembic AshAuthentication allows a caller of the token revocation action to neutralise a revocation or write arbitrary rows into the token resource. AshAuthentication.TokenResource.RevokeTokenChange.change/3 reads the...

EEF-CVE-2026-86522 Log injection via an unescaped password reset identity in AshAuthentication

Summary Improper Output Neutralization for Logs vulnerability in team-alembic AshAuthentication allows an unauthenticated attacker to forge application log entries by submitting a password reset identity containing newlines or control characters...

EEF-CVE-2026-81637 Replayable OAuth2 CSRF state retained after a failed callback in AshAuthentication

Summary Insufficient Session Expiration vulnerability in team-alembic AshAuthentication allows an attacker who obtains a victim's OAuth2 state value to replay the callback and sign that victim into an attacker-controlled account. AshAuthentication.Strategy.OAuth2.Plug.callback/2 clears the stored...

EEF-CVE-2026-82761 Magic link single-use tokens replayable via TOCTOU race in AshAuthentication

Summary Time-of-check Time-of-use TOCTOU Race Condition vulnerability in team-alembic AshAuthentication allows an attacker holding a leaked magic link to replay its single-use token and authenticate as the target subject. A magic link configured with singleusetoken?, which is the default, is mean...

EEF-CVE-2026-82685 Confirmation token accepted on any record in AshAuthentication

Summary Authorization Bypass Through User-Controlled Key vulnerability in team-alembic AshAuthentication allows an authenticated attacker to overwrite and confirm another user's email address, and so take over that account. A confirmation token issued to one user is accepted on any other user's...

EEF-CVE-2026-82760 Superlinear base62 decoding exhausts CPU and memory in AshAuthentication API key sign-in

Summary Inefficient Algorithmic Complexity vulnerability in team-alembic AshAuthentication allows an unauthenticated attacker to exhaust CPU and memory via an oversized base62 segment in a submitted API key. AshAuthentication.Base.decode62/1 in lib/ashauthentication/base.ex splits its argument in...

EEF-CVE-2026-82759 Reversible IP address pseudonymisation in AshAuthentication audit log hash mode

Summary Use of a One-Way Hash with a Predictable Salt vulnerability in team-alembic AshAuthentication allows readers of the audit store to recover the client IP addresses that the audit log add-on's :hash privacy mode is meant to pseudonymise. AshAuthentication.AddOn.AuditLog.IpPrivacy.haship/1...

EEF-CVE-2026-82723 Actor record with password digest stored in AshAuthentication audit log entries

Summary Insertion of Sensitive Information into Log File vulnerability in team-alembic AshAuthentication allows disclosure of user password digests to readers of the audit store. The auditlog add-on builds each entry's extradata in AshAuthentication.AddOn.AuditLog.Auditor.buildextradata/4, which...

EEF-CVE-2026-86338 Ash field policies do not filter-nil forbidden calculations and aggregates, enabling an information-disclosure oracle

Summary Ash fieldpolicies are documented to protect against filter-based information disclosure: when a field the actor may not see is referenced in a filter, it is replaced with an expression that evaluates to nil, so a filter cannot be used as a yes/no oracle to read a value the actor cannot se...

EEF-CVE-2026-88255 mpp Tempo keys its pre-broadcast dedup reserve on the caller-supplied transaction encoding, so a re-encoded signed transaction reserves a second slot

Summary Improper Validation of Unsafe Equivalence in Input in ZenHive mpp allows an unauthenticated remote client to pass the Tempo duplicate-submission gate twice with one signed transaction. MPP.Methods.Tempo reserves the pre-broadcast dedup slot on the caller-supplied hex in reservehashatomic/...

EEF-CVE-2026-89186 mpp writes Payment-Receipt and Cache-Control before the wrapped application runs, letting a consumer's own Cache-Control expose paid responses to shared caches

Summary Use of Cache Containing Sensitive Information in ZenHive mpp allows a shared HTTP cache to store a paid response and serve it to clients that never paid. MPP.Plug.verifycredential in lib/mpp/plug.ex sets payment-receipt and cache-control: private on the connection before the wrapped...

EEF-CVE-2026-77866 SSRF protection bypass in safeurl via IPv6 addresses and unresolvable hosts

Summary Server-Side Request Forgery SSRF vulnerability in Slab safeurl allows an attacker who controls a validated URL to reach internal network destinations the library is configured to block. Only IPv4 addresses are matched against the reserved ranges and the blocklist. Every other address is...

EEF-CVE-2026-77972 safeurl validated address is not bound to the request, allowing DNS rebinding

Summary Time-of-check Time-of-use TOCTOU Race Condition in Slab safeurl allows an attacker who controls a hostname's DNS responses to reach internal network destinations that validation rejected. Validation returns a verdict and not the address it approved, so the HTTP clients the library ships...

EEF-CVE-2026-78216 AshLua eval read operations can read field-policy-protected fields via aggregates

Summary AshLua exposes Ash read actions to Lua scripts run through an eval action. A read call accepts an operation list, min, max, first, sum, avg that builds an ad-hoc Ash.Query.Aggregate over a named field and returns its raw value. Ash field policies redact forbidden fields on returned record...

EEF-CVE-2026-78230 AshAi aggregate tool can read field-policy-protected fields

Summary AshAi exposes Ash read actions to language-model tool calls. The read tool accepts an aggregate result type min, max, sum, avg that builds an ad-hoc Ash.Query.Aggregate over a named field and returns its raw value. Ash field policies redact forbidden fields on returned records replacing...

EEF-CVE-2026-82710 Terminal escape sequence injection in mix usage_rules.search_docs via package documentation metadata

Summary Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in ash-project usagerules allows a malicious package publisher to inject terminal control sequences into the output of mix usagerules.searchdocs. mix usagerules.searchdocs searches Hex documentation through...

EEF-CVE-2026-82584 Terminal escape sequence injection in the mix igniter.install confirmation prompt via package metadata

Summary Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in ash-project igniter allows a malicious package publisher to forge the mix igniter.install confirmation prompt. mix igniter.install prints a confirmation panel an anti-typosquatting safeguard listing a package's...

EEF-CVE-2026-82586 AshLua read operation aggregate bypasses the exposed-field allow-list, exposing private attributes

Summary Improper Protection of Alternate Path vulnerability in ash-project ashlua allows a user-supplied Lua script to read attributes that are not on the exposed-field allow-list. AshLua exposes Ash resources to Lua scripts, gated by a manifest declaring which fields are exposed. The read action...

EEF-CVE-2026-81638 Non-canonical ULID spellings are accepted and alias to the same record in ash_double_entry

Summary Improper Handling of Alternate Encoding vulnerability in ash-project ashdoubleentry allows an attacker to submit several distinct string spellings of the same identifier. AshDoubleEntry.ULID renders a 128-bit ULID as 26 Crockford base-32 characters, but the first character encodes only 3...

EEF-CVE-2026-82758 ash_authentication_oauth2_server treats an empty resolved secret as valid, opening the gated Dynamic Client Registration endpoint

Summary Improper Authentication vulnerability in ash-project ashauthenticationoauth2server allows an unauthenticated attacker to register OAuth clients even when Dynamic Client Registration is gated by an initial access token. resolvesecret/3 in AshAuthentication.Oauth2Server reached through...

EEF-CVE-2026-82757 ash_authentication_oauth2_server CIMD fetcher classifies IPv4-in-IPv6 and site-local addresses as public, allowing SSRF

Summary Server-Side Request Forgery SSRF vulnerability in ash-project ashauthenticationoauth2server allows an attacker who controls a client metadata URL and its DNS to make the server connect to internal or loopback addresses. publicip?/1 in AshAuthentication.Oauth2Server.CIMD.ReqFetcher enforce...

EEF-CVE-2026-82756 ash_authentication_oauth2_server interpolates a tenant-derived value into the WWW-Authenticate challenge without escaping, allowing header parameter injection

Summary Improper Encoding or Escaping of Output vulnerability in ash-project ashauthenticationoauth2server allows an unauthenticated attacker to inject arbitrary authentication parameters into the WWW-Authenticate challenge header. BearerPlug and RequireScopePlug built the Bearer...

EEF-CVE-2026-82755 ash_authentication_oauth2_server serves tenant-specific OAuth metadata as publicly cacheable without Vary, enabling cross-tenant confusion

Summary Use of Cache Containing Sensitive Information vulnerability in ash-project ashauthenticationoauth2server allows a shared HTTP cache to serve one tenant's OAuth discovery metadata to another tenant's clients. The RFC 8414 and RFC 9728 metadata endpoints in...

EEF-CVE-2026-82754 ash_authentication_oauth2_server aliases every protocol endpoint under /.well-known, bypassing path-scoped controls

Summary Improper Protection of Alternate Path vulnerability in ash-project ashauthenticationoauth2server exposes the state-changing OAuth endpoints under an unintended URL prefix, bypassing controls scoped to the canonical prefix. oauth2serverprotocolroutes/1 in...

EEF-CVE-2026-82753 Unauthenticated authorize requests create unbounded, never-expiring CIMD client rows and cache entries in ash_authentication_oauth2_server

Summary Allocation of Resources Without Limits or Throttling vulnerability in ash-project ashauthenticationoauth2server allows an unauthenticated attacker to exhaust database storage and memory. The /authorize endpoint is unauthenticated by design. With Client ID Metadata Documents enabled,...

EEF-CVE-2026-82750 Unbounded EIP-7702 authorization list in mpp Tempo fee-payer sponsorship inflates gas cost and sponsors account delegation

Summary Improper Validation of Specified Quantity in Input in ZenHive mpp allows an unauthenticated remote client to inflate the fee-payer's gas cost per sponsored payment by a large multiplier and to have the sponsor pay for EIP-7702 account delegations of the client's choosing. When the server...

EEF-CVE-2026-82751 Unbounded key authorization in mpp Tempo fee-payer sponsorship inflates gas cost and sponsors access-key provisioning

Summary Improper Validation of Specified Quantity in Input in ZenHive mpp allows an unauthenticated remote client to inflate the fee-payer's gas cost per sponsored payment by a large multiplier and to have the sponsor pay for provisioning an access key on the client's own account. When the server...

EEF-CVE-2026-82752 Ash string length constraints count graphemes, so a combining-mark string of any size passes max_length

Summary Improper Validation of Specified Quantity in Input vulnerability in ash-project ash allows an attacker to store a value of arbitrary size in an attribute whose length constraint should bound it. Ash measures string length with Elixir's String.length/1, which counts Unicode graphemes, in t...

EEF-CVE-2026-82728 Unbounded HTTP/1 status-line and chunk-extension buffering in Mint causes memory-exhaustion DoS

Summary Allocation of Resources Without Limits or Throttling vulnerability in elixir-mint mint allows a remote HTTP server to exhaust memory on the client host and cause a denial of service. Two HTTP/1 response-parser states accumulate server data without any cap. In lib/mint/http1.ex,...

EEF-CVE-2026-82729 Quadratic chunk-size parsing in Mint.HTTP1.Parse allows CPU-exhaustion DoS

Summary Inefficient Algorithmic Complexity vulnerability in elixir-mint mint allows a remote HTTP server to exhaust CPU on the client host and cause a denial of service. parsehexprefix/2 in lib/mint/http1/parse.ex folds each hex digit of a chunked response's chunk-size field into an...

EEF-CVE-2026-69664 httpd parks a request worker indefinitely on a malformed chunk size sent after the headers

Summary Missing Release of Resource after Effective Lifetime vulnerability in Erlang/OTP inets httpd allows an unauthenticated remote attacker to cause denial of service by sending a request with a chunked body whose chunk-size line is not a hexadecimal number. The worker serving the connection i...

EEF-CVE-2026-70409 eldap does not bound the port component of a referral URL before integer conversion

Summary Improper Validation of Specified Quantity in Input vulnerability in Erlang/OTP eldap allows a malicious or compromised LDAP server to degrade availability by returning a referral URL whose port component is a very long run of digits. eldap:parseport/2 passes the port substring straight to...

EEF-CVE-2026-70405 snmp BER INTEGER decoder applies no size limit to attacker-supplied integer fields

Summary Improper Validation of Specified Quantity in Input vulnerability in Erlang/OTP snmp allows a remote attacker to degrade availability by sending an SNMP message containing a BER INTEGER whose length field is arbitrarily large. snmppdus:decintegernotag/1 defaults its size limit to infinity,...

EEF-CVE-2026-66835 httpd mod_auth directory protection bypassed by a doubled slash in the request path

Summary Path Equivalence vulnerability in Erlang/OTP inets httpd allows a remote unauthenticated attacker to read files inside a modauth protected directory by prefixing the request path with an extra slash. httpdrequest:validateuri/1 normalises the request URI with uristring:normalize/1, which...

EEF-CVE-2026-73270 httpd mod_auth directory protection bypassed by request path casing on case-insensitive filesystems

Summary Improper Handling of Case Sensitivity vulnerability in Erlang/OTP inets httpd allows a remote unauthenticated attacker to read files inside a modauth protected directory by requesting them with different casing, on deployments whose filesystem is case-insensitive. modauth:secretpath/3...

EEF-CVE-2026-75538 A Signed Length Overflow in Erlang/OTP's inet TCP Driver Overflows the Receive Buffer Into BEAM VM Memory From an Unauthenticated Peer

Summary An attacker that connects to an open Erlang TCP port that uses the inet driver with packet,4 mode can use a signed overflow in an incorrect packet length calculation to overflow the receive buffer into the VM allocator area and beyond up to about 2 GB. This would easily trash the allocate...

EEF-CVE-2026-74994 inets, httpd: Authentication Bypass via Directory Namespace Collapse in httpd mod_auth

Summary The modauth module in OTP's inets httpd server, when configured with dets or mnesia authentication backends and multiple directory configuration blocks, collapses all directory blocks into a single shared user/group namespace. A user added to one protected directory is accepted as valid f...

EEF-CVE-2026-74835 inets,httpd: Memory Exhaustion via Unenforced max_body_size During Chunked Body Reception

Summary The inets application HTTP server httpd fails to enforce a configured body-size limit on chunked request. This issue affects OTP from OTP 17.0 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to inets from 5.10 before 9.3.2.7, fro...

EEF-CVE-2026-73812 inets, httpd: HTTP Request Smuggling via Transfer-Encoding and Content-Length

Summary httpd function checkheader/3 rejects duplicate Content-Length per CVE-2026-23941 but never checks for the TE+CL co-presence that RFC 9112 §6.3 identifies as a probable smuggling attempt. handlebody/3 frames by chunked and silently discards Content-Length. A CL-preferring front-end paired...

EEF-CVE-2026-73276 inets, httpd: HTTP Request Smuggling via Whitespace-Before-Colon Header Dropping i

Summary Gracefulness code ignored cases that should be rejected, resulting in possible HTTP Request Smuggling opportunities. This issue affects OTP from OTP 22.2 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to inets from 7.1.2 before...

EEF-CVE-2026-66357 inets,httpd:HTTP Request Smuggling via obs-fold Header Continuation

Summary httpd has never implemented obs-fold RFC 2616 §2.2 / RFC 7230 §3.2.4 header continuation lines. Every CRLF followed by a non-CRLF octet unconditionally starts a new header. This missing feature became a security concern as the understanding of HTTP request smuggling attacks evolved. This...

EEF-CVE-2026-59696 uri_string does not bound the port component of a URI before integer conversion

Summary Improper Validation of Specified Quantity in Input vulnerability in Erlang/OTP stdlib allows a remote attacker to degrade availability by supplying a URI whose port component is a very long run of digits. uristring:getport/1 passes the port substring to binarytointeger/1 with no length...

EEF-CVE-2026-55951 httpc memory exhaustion via unbounded response header accumulation

Summary The Erlang/OTP httpc HTTP client does not enforce a limit on the total size of response headers received from a server. The maxheadersize option defaults to nolimit, and httpcresponse:parseheaders/6 accumulates every header into a list before the length check runs which only fires after t...

EEF-CVE-2026-71380 httpd applies no timeout while receiving a request body, parking a worker on a stalled client

Summary Missing Release of Resource after Effective Lifetime vulnerability in Erlang/OTP inets httpd allows an unauthenticated remote attacker to cause denial of service by sending valid request headers with a large Content-Length and then stalling before the body is complete...