EEF-CVE-2026-43968 CR Injection in SSE Encoder Enables Event Splitting via cow_sse:event/1

Summary Improper Neutralization of CRLF Sequences 'CRLF Injection' vulnerability in ninenines cowlib allows SSE event splitting and injection via unvalidated field values. cow\sse:event/1 in cowlib guards the id and event fields against \n but not against bare \r, and the internal prefix\lines/2...

EEF-CVE-2026-21622 Password Reset Tokens Do Not Expire

Summary Insufficient Session Expiration vulnerability in hexpm hexpm/hexpm 'Elixir.Hexpm.Accounts.PasswordReset' module allows Account Takeover. Password reset tokens generated via the "Reset your password" flow do not expire. When a user requests a password reset, Hex sends an email containing a...

EEF-CVE-2026-94194 Mint HTTP/1 client applies chunked framing when chunked is not the final transfer coding, enabling response smuggling through intermediaries

Summary Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in elixir-mint mint allows a malicious HTTP/1 server to desynchronize an intermediary and the Mint client on a pooled connection, poisoning the responses to subsequent requests that share the...

EEF-CVE-2026-91187 Improper Verification of Cryptographic Signature in dashbit nimble_zta Cloudflare strategy

Summary Improper Verification of Cryptographic Signature vulnerability in dashbit nimblezta allows an unauthenticated remote attacker to authenticate as an arbitrary Cloudflare service token. Applications using the Cloudflare Zero Trust authentication strategy are affected. verifytoken/2 in...

EEF-CVE-2026-86688 Session id is not renewed on authentication in ash_authentication, allowing session fixation

Summary Session Fixation vulnerability in team-alembic ashauthentication allows an attacker who can plant a session identifier in a victim's browser to hold an authenticated session once that victim signs in. AshAuthentication.Plug.Helpers.storeinsession/2 writes the authenticated subject into th...

EEF-CVE-2026-82746 Ash.update_many/4 atomic path skips resource policy authorization, allowing updates to forbidden records

Summary Missing Authorization vulnerability in ash-project ash allows an actor to update records forbidden by resource policies through the atomic path of Ash.updatemany/4. Ash.updatemany/4 runs as a single atomic statement a data-layer updatemany, for example a SQL MERGE whenever an atomic...

EEF-CVE-2026-82744 Ash.Reactor change step fails open, skipping a change when its where guard raises

Summary Not Failing Securely Failing Open vulnerability in ash-project ash skips an Ash.Reactor change when the guard controlling it raises, so a change meant to run does not. An Ash.Reactor change step can be gated by where validations that decide whether the change runs. Ash.Reactor.ChangeStep...

EEF-CVE-2026-82731 Unescaped path parameters in AshTypescript generated TypeScript client allow request redirection

Summary URL Redirection to Untrusted Site 'Open Redirect' vulnerability in ash-project ashtypescript allows an attacker who controls a path-parameter value to redirect a generated client's request, and the credentials attached to it, to an unintended route or an external origin. The URL builders ...

EEF-CVE-2026-77856 Unbounded atom creation from typed struct field names in AshTypescript field selector

Summary Allocation of Resources Without Limits or Throttling vulnerability in ash-project ashtypescript allows an unauthenticated attacker to exhaust the BEAM atom table and abort the node via client-supplied typed struct field names. resolvetypedstructfield/2 in...

EEF-CVE-2026-81636 Query-complexity limit bypass via first/last pagination arguments in AshGraphql enables denial of service

Summary Allocation of Resources Without Limits or Throttling vulnerability in ash-project ashgraphql allows an unauthenticated client to bypass the configured GraphQL query-complexity limit and force an unbounded database read. AshGraphql.Graphql.Resolver.querycomplexity/3 multiplies child...

EEF-CVE-2026-64941 Open redirect in Phoenix.LiveView.validate_local_url!/2 via ASCII tab, LF and CR

Summary URL Redirection to Untrusted Site 'Open Redirect' vulnerability in phoenixframework phoenixliveview allows an attacker to send a victim's browser to an origin of the attacker's choosing via a :to value containing ASCII tab, LF or CR. redirect/2 validates :to through the private...

EEF-CVE-2026-66298 JS-view sandboxed output can synthesize keyboard events to trigger unconfirmed global shortcuts

Summary Origin Validation Error vulnerability in livebook-dev livebook allows untrusted notebook output JavaScript to trigger session-wide keyboard shortcuts, including forced evaluation of all cells and runtime restart. Livebook's JS-view feature renders notebook-defined JavaScript inside a...

EEF-CVE-2026-55954 Missing ID token claim validation in ueberauth_apple allows account takeover

Summary Authentication Bypass by Spoofing vulnerability in ueberauth ueberauth\apple allows account takeover via unvalidated ID token claims. The Ueberauth.Strategy.Apple.Token.payload/2 function verifies the JWT signature of the callback id\token against Apple's JWKS but does not validate any...

EEF-CVE-2026-55950 DTLS listener crash via race condition in dtls_packet_demux causes denial of service for all sessions

Summary Time-of-check Time-of-use TOCTOU race condition vulnerability in Erlang/OTP ssl dtls\packet\demux module allows an unauthenticated remote attacker to crash all active DTLS sessions on a listener. A DTLS server listener uses a single shared dtls\packet\demux gen\server process to route...

EEF-CVE-2026-49762 Unbounded integer parsing in the Version module enables CPU and memory exhaustion denial of service

Summary Uncontrolled Resource Consumption vulnerability in the Elixir standard library's Version module allows an attacker who controls a version string to cause a denial of service through CPU and memory exhaustion. The version parser converts numeric version components major, minor, patch and...

EEF-CVE-2026-48862 Unbounded conn.streams growth in Mint HTTP/2 client via unenforced PUSH_PROMISE concurrency

Summary Allocation of Resources Without Limits or Throttling vulnerability in elixir-mint Mint allows attacker-controlled HTTP/2 servers to exhaust memory in a Mint client via PUSH\PROMISE flooding. In lib/mint/http2.ex, Mint.HTTP2.decode\push\promise\headers\and\add\response/5 inserts a...

EEF-CVE-2026-28806 Improper authorization in device bulk actions and device update API allows cross-organization device control

Summary Improper Authorization vulnerability in nerves-hub nerves\hub\web allows cross-organization device control via device bulk actions and device update API. Missing authorization checks in the device bulk actions and device update API endpoints allow authenticated users to target devices...

EEF-CVE-2025-48042 Before action hooks may execute in certain scenarios despite a request being forbidden

Summary Incorrect Authorization vulnerability in ash-project ash allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects ash: from 0.1.1 before 3.5.39...

EEF-CVE-2026-92103 Mint HTTP/2 client buffers oversized frames up to 16 MiB before enforcing max_frame_size

Summary Allocation of Resources Without Limits or Throttling vulnerability in elixir-mint mint allows a malicious HTTP/2 server to make the client hold up to about 16 MiB per connection in frames it should reject, consuming client memory. Mint.HTTP2.Frame.decodenext/2 in lib/mint/http2/frame.ex...

EEF-CVE-2026-76949 Remember-me sign-in guard reads a session key that is never written in ash_authentication, allowing session replacement

Summary Authentication Bypass by Spoofing vulnerability in team-alembic ashauthentication allows an attacker who can plant a remember-me cookie in a victim's browser to replace that victim's authenticated session with one for the attacker's own account...

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-2026-82685 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-2026-55951 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-2026-82749 Ash relationship parent(...) filter degrades to an IS NULL match when the parent field is unresolved, leaking scoped records

Summary Incorrect Authorization vulnerability in ash-project ash widens a relationship's parent... scoping filter to match unintended records when the referenced parent field cannot be resolved. Loading a relationship whose filter references parent... resolves that expression against the parent...

EEF-CVE-2026-81315 MCP DNS-rebinding origin check in AshAi is bypassed by a spoofed X-Forwarded-Proto header

Summary Origin Validation Error vulnerability in ash-project ashai allows a malicious web page to bypass the MCP server's DNS-rebinding protection and issue cross-site requests to a user's local MCP server with that user's actor. In AshAi.Mcp.Server, with the default allowedorigins: nil,...

EEF-CVE-2026-77454 exists/2 predicate silently dropped on limited relationships with a parent() filter in AshSql

Summary Incorrect Authorization vulnerability in ash-project ashsql allows a caller to bypass a scoping or authorization filter expressed as exists/2 over a relationship that declares both a limit or frommany? and a parent...-referencing filter or sort. AshSql.Join.relatedquery/3 skips the...

EEF-CVE-2026-67579 Filter expression injection via forged keyset pagination cursor in Ash

Summary Deserialization of Untrusted Data vulnerability in ash-project ash allows an unauthenticated attacker to inject a filter expression through a forged keyset pagination cursor, resulting in SQL injection or code execution depending on the data layer. Read actions with keyset pagination deco...

EEF-CVE-2026-66370 html_sanitize_ex HTML5 scrubber keeps attacker-supplied form-association attributes, allowing form hijacking

Summary URL Redirection to Untrusted Site 'Open Redirect' vulnerability in the HTML5 scrubber in rrrene htmlsanitizeex allows an unauthenticated remote attacker to retarget a form already on the rendering page and receive whatever the victim submits, including credentials, via the form and...

EEF-CVE-2026-66843 html_sanitize_ex HTML5 scrubber keeps attacker-supplied `<object>` elements, allowing untrusted content embedding

Summary Inclusion of Functionality from Untrusted Control Sphere vulnerability in the HTML5 scrubber in rrrene htmlsanitizeex allows a remote attacker to load a document of their choosing into a trusted page via the data attribute of an element in sanitized HTML. object is the one URI-bearing...

EEF-CVE-2026-55733 Atom-table exhaustion denial of service in Guardian permissions AtomEncoding via unbounded atom creation

Summary Allocation of Resources Without Limits or Throttling in ueberauth guardian allows denial of service via unbounded atom creation from attacker-controlled binary input. Guardian.Permissions.AtomEncoding encodes permission scopes by passing arbitrary binaries to String.to\atom/1. When encode...

EEF-CVE-2026-54894 Atom-table exhaustion denial of service in Guardian via unbounded atom creation from binary keys

Summary Allocation of Resources Without Limits or Throttling in ueberauth guardian allows denial of service via unbounded atom creation from attacker-influenced binary input. Guardian.Plug.Keys derives connection and session namespace keys by passing arbitrary binaries to String.to\atom/1...

EEF-CVE-2026-65624 Cowboy HTTP/1.1 max_headers Bypass via Duplicate Header Names Enables Memory Exhaustion

Summary Allocation of Resources Without Limits or Throttling vulnerability in ninenines cowboy allows an unauthenticated remote attacker to exhaust connection process memory over HTTP/1.1. The HTTP/1.1 handler in cowboy\http enforces the max\headers limit by counting the number of distinct header...

EEF-CVE-2026-59694 Unbounded access list in mpp Tempo fee-payer inflates gas cost per payment

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 payment by a large multiplier, degrading the sponsor's operating margin. When the mpp Elixir library is configured as fee payer fee\payer: true...

EEF-CVE-2026-54893 Email-derived URL path injection in the Swoosh Microsoft Graph adapter

Summary URL path injection in the Microsoft Graph adapter of Swoosh. Swoosh.Adapters.MsGraph builds its Microsoft Graph API request URL by interpolating the sender's email address into the URL path /users/from/sendMail without percent-encoding or validation. In applications that derive the from...

EEF-CVE-2026-54887 DTLS server cookie bypass during startup window due to empty initial cookie secret

Summary Use of Default Cryptographic Key vulnerability in Erlang/OTP ssl DTLS server allows predictable DTLS cookie computation during the startup window, enabling source address verification bypass. On DTLS server startup, dtls\server\connection:initial\hello/3 initializes previous\cookie\secret...

EEF-CVE-2026-53426 Atom-table exhaustion denial-of-service via JSON parse_document in MDEx

Summary Allocation of Resources Without Limits or Throttling vulnerability in leandrocp MDEx allows Excessive Allocation. MDEx.parse\document/2 accepts a :json, json source. In lib/mdex.ex, the private json\to\node/1 function passes the attacker-controlled node\type value to Module.concat/1, whic...

EEF-CVE-2026-53428 Unbounded memory allocation in highlight_lines range expansion in mdex

Summary Memory Allocation with Excessive Size Value vulnerability in leandrocp mdex allows an unauthenticated attacker to cause a denial of service through unbounded memory allocation. comrak\nif::lumis\adapter::LumisAdapter::parse\highlight\lines in native/comrak\nif/src/lumis\adapter.rs eagerly...

EEF-CVE-2026-49760 Stack Buffer Overflow in ei_s_print_term at Very Large Integer

Summary Stack-based Buffer Overflow vulnerability in Erlang OTP erlinterface allows Stack-based Buffer Overflow. This vulnerability is associated with program file lib/erlinterface/src/misc/eiprintterm.c and program routine eisprintterm. The C function eisprintterm uses an internal 2000-character...

EEF-CVE-2026-48598 CRLF injection in Tesla.Multipart disposition parameters allows multipart part header injection

Summary Improper Encoding or Escaping of Output vulnerability in elixir-tesla tesla allows multipart part header injection via unescaped Content-Disposition parameter values. Tesla.Multipart.partheadersfordisposition/1 interpolates each disposition parameter as k="v" with no validation of CR \r, ...

EEF-CVE-2026-42790 nameConstraints DNS bypass via subject CommonName fallback in public_key hostname verification

Summary Improper Certificate Validation vulnerability in Erlang OTP public\key pubkey\cert and public\key modules allows a DNS nameConstraints bypass via subject CommonName fallback in TLS hostname verification. Two flaws combine to allow a subordinate CA whose DNS nameConstraints are restricted...

EEF-CVE-2026-39803 HTTP/1 chunked body reader ignores length cap in bandit

Summary Allocation of Resources Without Limits or Throttling vulnerability in mtrudel bandit allows unauthenticated remote denial of service via memory exhaustion. The chunked clause of 'Elixir.Bandit.HTTP1.Socket':read\data/2 in lib/bandit/http1/socket.ex ignores the caller-supplied :length opti...

EEF-CVE-2026-82747 Ash.Policy.Authorizer returns records denied by a runtime read policy to any actor

Summary Incorrect Authorization vulnerability in ash-project ash returns records that a runtime read policy denies to any actor. When a resource has an accesstype :runtime read policy a check evaluated per record rather than compiled to a filter, Ash.Policy.Authorizer decides each record in...

EEF-CVE-2026-81643 Broken access control in AshGraphql subscription batcher applies authorization suppression to only the first notification

Summary Incorrect Authorization vulnerability in ash-project ashgraphql delivers GraphQL subscription payloads for records a subscriber is not authorized to see. In AshGraphql.Subscription.Batcher, dosend/5 resolves the first notification of a batch and filters it with shouldsend?/1, which drops...

EEF-CVE-2026-77831 Algorithmic-complexity denial of service in AshPaperTrail full-diff list tracking

Summary Inefficient Algorithmic Complexity vulnerability in ash-project ashpapertrail allows a user who can submit a large array attribute to a paper-trailed create or update action to cause a denial of service through excessive CPU and memory use. With full-diff change tracking,...

EEF-CVE-2026-77970 Sensitive fields nested in embedded values are not redacted in AshPaperTrail versions

Summary Cleartext Storage of Sensitive Information vulnerability in ash-project ashpapertrail allows an attacker with read access to the generated version resource to recover sensitive values nested inside embedded resources, unions, or lists. sensitiveattributes :redact and :ignore only act on t...

EEF-CVE-2026-66297 Unescaped deployment environment variables in generated setup commands

Summary Improper Neutralization of Special Elements used in an OS Command OS Command Injection vulnerability in livebook-dev livebook allows command injection into generated deployment setup commands. LivebookWeb.Hub.Teams.DeploymentGroupAgentComponent.dockerinstructions/2 and...

EEF-CVE-2026-68746 Livebook Teams identity check fails open when the deployment group is unresolvable, allowing unauthenticated access

Summary Not Failing Securely 'Failing Open' vulnerability in livebook-dev livebook allows an unauthenticated network client to obtain full access to a Livebook server that enforces identity through Livebook Teams. A Livebook Agent or App Server connected to Livebook Teams caches the identifier of...

EEF-CVE-2026-55952 TLS 1.3 server denial of service via malformed ClientHello pre-shared key extension

Summary The Erlang/OTP ssl application does not validate that the PSK identity list and binder list carried in a TLS 1.3 ClientHello pre-shared key extension have equal length before passing them to the session ticket handler. In tls\handshake\1\3:handle\pre\shared\key/3, an OfferedPreSharedKeys...

EEF-CVE-2026-48591 Stored XSS via unescaped HTML attribute values in earmark

Summary Improper Neutralization of Script in Attributes in a Web Page vulnerability in pragdave earmark allows stored cross-site scripting via unescaped HTML attribute values. 'Elixir.Earmark.Transform':\make\att1/2 in lib/earmark/transform.ex splices attribute values verbatim between two literal...

EEF-CVE-2026-48855 SFTP READLINK Leaks Absolute Backend Filesystem Path When Root Is Configured

Summary Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Erlang OTP ssh sshsftpd module allows File Discovery. The SSHFXPREADLINK handler in sshsftpd sends the raw result of file:readlink/2 to the client without calling chrootfilename/2 to strip the backend root prefix...