EEF-CVE-2026-59249 Sign-tolerant HTTP/1 chunk-size parser in Mint enables response smuggling against strict intermediaries on pooled connections

Summary Inconsistent interpretation of HTTP requests HTTP response smuggling vulnerability in elixir-mint mint allows a malicious HTTP/1 server to desynchronize a strict intermediary and the Mint client on the same pooled connection, enabling response-queue poisoning against subsequent requests...

EEF-CVE-2026-54891 Plaintext APPLICATION_DATA injected during TLS handshake delivered to client application post-handshake in ssl

Summary Improper Enforcement of Message Integrity During Transmission in a Communication Channel vulnerability in Erlang/OTP ssl tlsgenconnection module allows a network-positioned attacker to inject unauthenticated plaintext that the TLS client application later treats as authenticated server...

EEF-CVE-2026-8467 Unauthenticated remote code execution via HEEx template injection in phoenix_storybook playground

Summary Code Injection vulnerability in phenixdigital phoenix\storybook allows unauthenticated remote code execution via unsanitized attribute value interpolation in HEEx template generation. The psb-assign WebSocket event handler in...

EEF-CVE-2026-39806 HTTP/1 chunked decoder infinite loop on requests with trailer fields in bandit

Summary Loop with Unreachable Exit Condition 'Infinite Loop' vulnerability in mtrudel bandit allows unauthenticated remote denial of service via worker process exhaustion. 'Elixir.Bandit.HTTP1.Socket':do\read\chunked\data!/5 in lib/bandit/http1/socket.ex terminates only when the last-chunk line...

EEF-CVE-2026-39804 WebSocket permessage-deflate inflate has no output-size cap in bandit

Summary Allocation of Resources Without Limits or Throttling vulnerability in mtrudel bandit allows unauthenticated remote denial of service via memory exhaustion when WebSocket permessage-deflate compression is enabled. 'Elixir.Bandit.WebSocket.PerMessageDeflate':inflate/2 in...

EEF-CVE-2026-23940 Denial of Service via Oversized Package Upload

Summary Uncontrolled Resource Consumption vulnerability in hexpm hexpm/hexpm allows Excessive Allocation. Publishing an oversized package can cause Hex.pm to run out of memory while extracting the uploaded package tarball. This can terminate the affected application instance and result in a denia...

EEF-CVE-2026-96618 Hex exhausts memory and disk on oversized or compressed responses from an untrusted mirror

Summary Improper Handling of Highly Compressed Data Data Amplification vulnerability in hexpm hex allows an untrusted package mirror to exhaust the memory or disk space of the machine running mix deps.get, mix deps.update, mix hex.package fetch or mix hex.docs fetch. Hex treats a mirror configure...

EEF-CVE-2026-88257 beam_mcp: nested tool argument constraints advertised but not enforced

Summary Improper Input Validation vulnerability in BeamMCP.Schema in ScriptKittyOS beammcp allows an MCP client to reach a tool's dispatch function with arguments that violate the input schema the server advertised. BeamMCP.Schema.validate/2 checked type, required, additionalProperties, enum and...

EEF-CVE-2026-86698 Refresh tokens accepted as private repository credentials at the CDN

Summary Insufficient Session Expiration vulnerability in OAuth token issuance in hexpm hexpm allows a user whose organization membership or session has ended to keep reading the organization's private packages and their documentation tarballs via a retained refresh token. generaterefreshtoken/4 i...

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-2026-89186 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-2026-82756 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-2026-82748 Ash.Actions.Aggregate authorizes an aggregate under one action but computes it under another

Summary Incorrect Authorization vulnerability in ash-project ash authorizes an aggregate under one read action while computing it under another, so an aggregate can run with policies that do not match the action it was authorized against. Ash.Actions.Aggregate groups aggregates by their authorize...

EEF-CVE-2026-82745 ETS and Mnesia data layers overwrite an existing record on create instead of enforcing primary-key uniqueness

Summary Improper Access Control vulnerability in ash-project ash lets a create action overwrite an existing record when the ETS or Mnesia data layer is used, because neither enforced primary-key uniqueness on insert. Unlike a SQL data layer, whose unique primary-key constraint rejects a duplicate...

EEF-CVE-2026-82738 Ash.Type.UUIDv7 accepts non-v7 UUIDs that then fail to load, causing persistent denial of service

Summary Improper Input Validation vulnerability in ash-project ash allows an attacker to persistently deny reads of a record by storing a non-version-7 UUID in an Ash.Type.UUIDv7 attribute. Ash.Type.UUIDv7.castinput/2 accepts any well-formed UUID string, including non-version-7 UUIDs, and stores ...

EEF-CVE-2026-82673 Path traversal in AshAdmin file uploads via unsanitized client filename

Summary Improper Limitation of a Pathname to a Restricted Directory Path Traversal vulnerability in ash-project ashadmin allows writing attacker-controlled bytes to arbitrary paths on the server. AshAdmin.Components.Resource.Form.consumefileuploads/1 builds the destination as Path.jointmpdir,...

EEF-CVE-2026-81316 Same-named aggregates with differing filters are conflated in AshSql

Summary Incorrect Authorization vulnerability in ash-project ashsql allows a caller to receive an aggregate value computed over rows a more restrictive filter should have excluded, disclosing counts, sums, or lists across an authorization or tenancy boundary. AshSql.Aggregate.differentqueries?/2...

EEF-CVE-2026-75847 Sensitive attribute values stored in a non-sensitive public changes map in AshPaperTrail

Summary Cleartext Storage of Sensitive Information vulnerability in ash-project ashpapertrail allows an attacker with read access to the generated version resource to recover the plaintext of sensitive? attributes. AshPaperTrail stores the values of tracked sensitive? attributes in the generated...

EEF-CVE-2026-75542 OAuth token exchange grants repository scopes for organizations the principal cannot access

Summary Incorrect Authorization vulnerability in the OAuth token endpoint in hexpm hexpm allows an API key holding the repositories permission to read another organization's private packages. When an API key is exchanged for a token through the OAuth clientcredentials grant,...

EEF-CVE-2026-47079 Round-trip Corruption via Improper Entity Escaping in xml_builder

Summary Inappropriate Encoding for Output Context vulnerability in joshnuss xmlbuilder XmlBuilder module allows Content Spoofing, Cross-site Scripting. This vulnerability is associated with program files lib/xmlbuilder.ex and program routines XmlBuilder.generate/1, XmlBuilder.generate/2,...

EEF-CVE-2026-55735 Guardian.revoke/3 acts on unverified token claims, allowing forged-token session revocation

Summary Improper Verification of Cryptographic Signature in ueberauth guardian allows an unauthenticated attacker to revoke a victim's session with a forged token. Guardian.revoke/3 in lib/guardian.ex decodes the supplied token with peek/1, which performs no signature verification it only...

EEF-CVE-2026-59248 Unbounded HPACK/QPACK prefixed-integer decoding in Cowlib causes memory-exhaustion DoS

Summary Allocation of resources without limits vulnerability in ninenines cowlib allows an unauthenticated remote HTTP/2 or HTTP/3 peer to exhaust memory on the vulnerable server or client and cause a denial of service. The HPACK and QPACK prefixed-integer decoder cow\hpack\common:dec\big\int/3 i...

EEF-CVE-2026-59251 Denial of service via exponential certificate policy tree growth in path validation

Summary Allocation of resources without limits in Erlang/OTP public\key certificate path validation allows a remote unauthenticated attacker to cause denial of service by sending a crafted X.509 certificate chain during the TLS handshake. During RFC 5280 policy processing in...

EEF-CVE-2026-54886 SSH SFTP server denial of service via extended channel data infinite loop

Summary Loop with Unreachable Exit Condition 'Infinite Loop' vulnerability in Erlang OTP ssh ssh\sftpd module allows an authenticated SFTP user to render an SFTP channel permanently unresponsive. The handle\data/4 function in ssh\sftpd contains a catch-all clause that accepts channel data of any...

EEF-CVE-2026-43973 gun HTTP/1.1 response buffer has no size limit allowing server-controlled memory exhaustion

Summary Uncontrolled Resource Consumption vulnerability in ninenines gun gun\http module allows a malicious server to exhaust client memory via unbounded HTTP/1.1 response buffering. In gun\http:handle/5, three clauses accumulate incoming TCP data into the connection's buffer field using binary...

EEF-CVE-2026-28810 Predictable DNS Transaction IDs Enable Cache Poisoning in Built-in Resolver

Summary Generation of Predictable Numbers or Identifiers vulnerability in Erlang/OTP kernel inet\res, inet\db modules allows DNS Cache Poisoning. The built-in DNS resolver inet\res uses a sequential, process-global 16-bit transaction ID for UDP queries and does not implement source port...

EEF-CVE-2026-21620 TFTP Path Traversal

Summary Relative Path Traversal, Improper Isolation or Compartmentalization vulnerability in erlang otp erlang/otp tftp\file modules, erlang otp inets tftp\file modules, erlang otp tftp tftp\file modules allows Relative Path Traversal. This vulnerability is associated with program files...

EEF-CVE-2026-103060 Path traversal in rebar3 via unvalidated dependency app names

Summary Improper Limitation of a Pathname to a Restricted Directory 'Path Traversal' vulnerability in erlang rebar3 allows a malicious package publisher to delete a directory outside the project's build directory and extract package files into it when a developer fetches dependencies. A package...

EEF-CVE-2026-94201 Filtering an :atom attribute with unsafe_to_atom? can exhaust the BEAM atom table in Ash

Summary Ash stores :atom-typed attributes as strings and compares them as strings. When such an attribute is referenced in a filter, the comparison value is coerced through Ash.Type.Atom. Because the type defined no coerce/2 callback, coercion fell back to the default castinput/2, which calls...

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-2026-82761 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-2026-82754 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-2026-82734 Non-finite Infinity/NaN decimal values bypass bounds constraints in Ash.Type.Decimal

Summary Improper Validation of Specified Quantity in Input vulnerability in ash-project ash allows an attacker to submit a non-finite decimal value that bypasses numeric bounds constraints or fails later operations on the value. Ash.Type.Decimal cast input through Ecto's decimal cast in castinput...

EEF-CVE-2026-82732 Declared argument constraints not enforced on AshTypescript typed controller routes

Summary Improper Input Validation vulnerability in ash-project ashtypescript allows a remote attacker to submit argument values outside a declared allowlist or bound on typed-controller routes. AshTypescript.TypedController.RequestHandler in lib/ashtypescript/typedcontroller/requesthandler.ex cal...

EEF-CVE-2026-77950 RPC error handler fails open in AshTypescript, disclosing unredacted errors

Summary Generation of Error Message Containing Sensitive Information vulnerability in ash-project ashtypescript allows an unauthenticated attacker to receive unredacted internal error data by provoking an error shape the configured error handler does not match. applyerrorhandler/3 in...

EEF-CVE-2026-75554 Explicit organization scopes survive token refresh after membership ends

Summary Insufficient Session Expiration vulnerability in the OAuth token refresh grant in hexpm hexpm allows a user removed from an organization to keep reading its private packages. expandrepositoriesscope/3 in lib/hexpm/permissions.ex only rewrites the literal repositories scope, so an explicit...

EEF-CVE-2026-47080 CDATA Section Breakout via Unsanitised ]]> in xml_builder

Summary XML Injection vulnerability in joshnuss xmlbuilder XmlBuilder module allows Content Spoofing, XML Injection. This vulnerability is associated with program files lib/xmlbuilder.ex and program routines XmlBuilder.generate/1, XmlBuilder.generate/2, XmlBuilder.escape/1. The escape/1 clause fo...

EEF-CVE-2026-55734 guardian atom exhaustion in Guardian.Permissions.encode_permissions!/1

Summary Allocation of Resources Without Limits or Throttling vulnerability in ueberauth guardian Guardian.Permissions module allows a denial of service via BEAM atom-table exhaustion. This vulnerability is associated with program file lib/guardian/permissions.ex and program routines...

EEF-CVE-2026-54890 BEAM VM crash via integer underflow in binary_to_term BIT_BINARY_EXT decoding

Summary Integer Underflow Wrap or Wraparound vulnerability in erlang otp erlang/otp erts modules, erlang otp erts erts modules allows Forced Integer Overflow, Excessive Allocation. This vulnerability is associated with program files erts/emulator/beam/external.c, emulator/beam/external.c. The...

EEF-CVE-2026-53427 Cross-site scripting in MDEx via unescaped highlight_lines_class code-fence attribute

Summary Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in leandrocp MDEx allows stored or reflected cross-site scripting via attacker-controlled Markdown. When syntax highlighting and full info-string forwarding render: \full\info\string: true\ ar...

EEF-CVE-2026-8466 Unbounded buffer accumulation in multipart header parsing causes denial of service in cowboy

Summary Allocation of Resources Without Limits or Throttling vulnerability in ninenines cowboy allows denial of service via unbounded buffer accumulation in multipart header parsing. cowboy\req:read\part/3 in src/cowboy\req.erl accumulates incoming request bytes into a Buffer binary with no...

EEF-CVE-2026-105274 hex_core decompresses registry and Erlang term API responses without size limits

Summary Improper Handling of Highly Compressed Data Data Amplification vulnerability in hexpm hexcore allows an untrusted repository mirror, or a server answering hexcore's API requests, to exhaust the memory of the Erlang VM running hexcore. The same code is vendored in Hex mixhexrepo, mixhexapi...

EEF-CVE-2026-81856 Terminal escape sequence injection in Hex via unneutralized server-supplied output

Summary Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in hexpm hex allows a malicious package publisher or a hostile repository server to inject terminal control sequences into the output of Mix tasks. Hex prints strings supplied by the package repository and the...

EEF-CVE-2026-104635 Uncontrolled recursion in elixir-protobuf/protobuf JSON decoding of self-referential messages

Summary Uncontrolled Recursion vulnerability in Protobuf.JSON.Decode in elixir-protobuf protobuf allows an unauthenticated remote attacker to crash the decoding process via a deeply nested JSON document. Any application that decodes attacker-supplied JSON with Protobuf.JSON.decode/3,...

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-2026-81637 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-2026-88255 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-2026-82729 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-2026-82743 Ash.Actions.Read.AsyncLimiter busy-spins a scheduler while awaiting slow async reads

Summary Uncontrolled Resource Consumption vulnerability in ash-project ash lets a slow asynchronous read spin a scheduler thread at full CPU while the framework waits for it. Ash.Actions.Read.AsyncLimiter.awaitatleastone/1 lib/ash/actions/read/asynclimiter.ex waited for concurrent async read task...

EEF-CVE-2026-82740 Ash.Type ignores outer array constraints on nested {:array, {:array, type}} inputs

Summary Improper Input Validation vulnerability in ash-project ash fails to enforce the outer array constraints on a doubly-nested :array, :array, type attribute, letting invalid input pass validation. Ash.Type.applyconstraints/3 lib/ash/type/type.ex handled the :array, :array, type case by mappi...