EEF-CVE-2026-42795 Symlink Following in Hex Package Export Allows Embedding Files Outside Project Root

Summary Symlink following vulnerability in Gleam's Hex package export allows files outside the project root to be embedded in the generated package tarball. The file collection helpers gleam\files, native\files, private\files in compiler-cli/src/fs.rs use follow\linkstrue when walking publishable...

EEF-CVE-2026-32688 Atom table exhaustion via HTTP/2 :scheme pseudo-header in plug_cowboy

Summary Allocation of Resources Without Limits or Throttling vulnerability in elixir-plug plug\cowboy allows unauthenticated remote denial of service via atom table exhaustion. Plug.Cowboy.Conn.conn/1 in lib/plug/cowboy/conn.ex calls String.to\atom/1 on the value returned by :cowboy\req.scheme/1...

EEF-CVE-2026-75760 AshAi vectorize change leaks raw embedding-provider errors, including credentials, in a user-facing error

Summary Generation of Error Message Containing Sensitive Information vulnerability in ash-project ashai discloses provider request state and credentials in a user-facing validation error. In AshAi.Changes.Vectorize, when the embedding provider call fails the change added a changeset error whose...

EEF-CVE-2026-77956 EEx template evaluation of prompt content in AshAi enables remote code execution

Summary Improper Control of Generation of Code Code Injection vulnerability in ash-project ashai allows a remote, unauthenticated client to execute arbitrary Elixir code. AshAi.Actions.Prompt evaluates prompt content through EEx.evalstring/2. The documented prompt: fn input, context - ... end for...

EEF-CVE-2026-58225 SQL injection via unescaped dollar-quote in Postgrex.Notifications reconnect replay causes notification denial of service

Summary SQL Injection vulnerability in elixir-ecto postgrex allows an attacker who can influence a LISTEN channel name to inject SQL into the reconnect replay query, causing a denial of service of the notification connection. Postgrex.Notifications sanitizes channel names with quote\channel/1,...

EEF-CVE-2026-43966 HTTP Response Splitting via Non-VCHAR Bytes in cow_http_struct_hd:escape_string/2

Summary Improper Neutralization of CRLF Sequences in HTTP Headers 'HTTP Request/Response Splitting' vulnerability in ninenines cowlib allows HTTP response splitting via non-VCHAR bytes in structured-fields string values. cowhttpstructhd:escapestring/2 in cowlib only escapes \ and ", passing all...

EEF-CVE-2026-47067 Atom table exhaustion via unrecognized URL schemes in hackney

Summary Allocation of Resources Without Limits or Throttling vulnerability in benoitc hackney allows Flooding. The URL parser in src/hackney\url.erl converts every unrecognized URL scheme to a permanent BEAM atom via binary\to\atom/2. BEAM atoms are never garbage-collected and the atom table...

EEF-CVE-2026-47076 SSRF allowlist bypass via percent-encoded host in hackney

Summary Interpretation Conflict vulnerability in benoitc hackney allows Server Side Request Forgery. hackney\url:normalize/2 URL-decodes the host component after the URL has been parsed into a hackney\url record. OTP's uri\string:parse/1 and inet:parse\address/1 do not decode percent-escapes in t...

EEF-CVE-2026-47066 Infinite loop in Alt-Svc header parser in hackney

Summary Loop with Unreachable Exit Condition 'Infinite Loop' vulnerability in benoitc hackney allows Excessive Allocation. The Alt-Svc response header parser in src/hackney\altsvc.erl does not guarantee forward progress. When parse\token/2 receives a non-token, non-whitespace, non-comma byte e.g...

EEF-CVE-2026-8469 Unauthenticated denial-of-service via BEAM atom table exhaustion in phoenix_storybook

Summary Allocation of Resources Without Limits or Throttling vulnerability in phenixdigital phoenix\storybook allows unauthenticated denial-of-service via BEAM atom table exhaustion. Multiple LiveView event handlers convert user-supplied event parameter strings to atoms using String.to\atom/1...

EEF-CVE-2026-42794 Reflected XSS via backslash bypass in GraphiQL js_escape in absinthe_plug

Summary Improper Neutralization of Input During Web Page Generation XSS vulnerability in absinthe-graphql absinthe\plug allows reflected cross-site scripting via the GraphiQL interface. 'Elixir.Absinthe.Plug.GraphiQL':js\escape/1 in lib/absinthe/plug/graphiql.ex escapes single quotes and newlines...

EEF-CVE-2026-81633 Unhandled KeyError in AshGraphql relay node resolution crashes queries via an unknown type segment

Summary Improper Input Validation vulnerability in ash-project ashgraphql allows an unauthenticated client to crash a relay nodeid: ... query with an unhandled KeyError. AshGraphql.Graphql.Resolver.resolvenode/2 decodes the client-supplied global ID with decoderelayid/1, which only base64-decodes...

EEF-CVE-2026-78691 Unescaped backslash allows LIKE wildcard injection in AshSql string search

Summary Improper Neutralization of Special Elements in Data Query Logic vulnerability in ash-project ashsql allows a user who supplies a search term to contains/2, stringstartswith/2, or stringendswith/2 to inject live SQL LIKE wildcards, turning a literal substring search into an...

EEF-CVE-2026-65635 Boruta dynamic client registration allows creation of over-privileged OAuth clients

Summary Improper Isolation or Compartmentalization vulnerability in malach-it boruta Elixir.Boruta.Openid module allows attackers to register OpenID Connect clients with administrative privileges through the dynamic client registration entry point. Boruta.Openid.register\client/3 forwards...

EEF-CVE-2026-58228 Scheme validation bypass in Phoenix.LiveView.Utils leads to XSS via <.link>

Summary Cross-site scripting vulnerability in phoenixframework phoenix\live\view allows an attacker to bypass URL scheme validation and execute JavaScript in a victim's browser session. The Phoenix.LiveView.Utils.valid\destination!/2 and Phoenix.LiveView.Utils.valid\live\navigation\destination!/2...

EEF-CVE-2026-56812 Phoenix JavaScript presence client crashes on presence keys colliding with Object.prototype members in Presence.syncState/syncDiff

Summary Improper Check for Unusual or Exceptional Conditions vulnerability in phoenixframework phoenix Presence JavaScript client allows an attacker with ordinary channel access to cause a persistent client-side denial of service against every viewer of a presence channel topic. This vulnerabilit...

EEF-CVE-2026-56811 Phoenix transports do not limit channel joins per connection, enabling process-exhaustion denial of service

Summary Allocation of Resources Without Limits or Throttling vulnerability in phoenixframework phoenix Phoenix.Socket module allows an unauthenticated attacker to cause a denial of service against any endpoint that mounts a Phoenix socket with a reachable channel transport WebSocket or LongPoll...

EEF-CVE-2026-53429 Unbounded native memory leak in mdex escaped-tag rendering enables unauthenticated denial of service

Summary Missing Release of Memory after Effective Lifetime vulnerability in leandrocp mdex and mdex\native allows an attacker who controls a rendered document to cause a denial of service through unbounded native memory exhaustion. The native rendering code permanently leaks memory when rendering...

EEF-CVE-2026-54892 Plug: quadratic-time decoding of nested query/body parameters enables denial of service

Summary Inefficient algorithmic complexity in Plug's nested-parameter decoder allows an unauthenticated remote attacker to cause denial of service. Plug.Conn.Query.decode/4 and Plug.Conn.Query.decode\each/2 parse query strings and application/x-www-form-urlencoded request bodies. When a key...

EEF-CVE-2026-48854 Unbounded request body accumulation causes memory exhaustion in elixir-grpc/grpc

Summary Allocation of Resources Without Limits or Throttling vulnerability in elixir-grpc grpc allows unauthenticated attackers to exhaust the BEAM's memory and crash the server by streaming a large or slow-trickle unary request body. 'Elixir.GRPC.Server.Adapters.Cowboy.Handler':readfullbody/3...

EEF-CVE-2026-48594 Decompression bomb in Tesla.Middleware.DecompressResponse and Tesla.Middleware.Compression

Summary Improper Handling of Highly Compressed Data Data Amplification vulnerability in elixir-tesla tesla allows a denial of service via decompression bomb in HTTP response bodies. When Tesla.Middleware.DecompressResponse or Tesla.Middleware.Compression is included in a Tesla middleware pipeline...

EEF-CVE-2026-8468 Unbounded buffer accumulation in multipart header parsing causes denial of service in plug

Summary Allocation of Resources Without Limits or Throttling vulnerability in plug\project plug allows denial of service via unbounded buffer accumulation in multipart header parsing. 'Elixir.Plug.Conn':read\part\headers/2 in lib/plug/conn.ex does not obey its :length parameter. There is no upper...

EEF-CVE-2026-32689 Long-poll NDJSON body splitting causes unbounded memory allocation in Phoenix

Summary Allocation of Resources Without Limits or Throttling vulnerability in phoenixframework phoenix allows a denial of service via the long-poll transport's NDJSON body handling. In 'Elixir.Phoenix.Transports.LongPoll':publish/4, when a POST request is received with Content-Type:...

EEF-CVE-2026-32148 Lockfile checksums not verified in Hex allows dependency integrity bypass

Summary Insufficient Verification of Data Authenticity vulnerability in hexpm hex Hex.RemoteConverger module allows dependency integrity bypass via unverified lockfile checksums. Hex stores checksums for dependencies in the mix.lock file to ensure reproducible and integrity-checked builds. Howeve...

EEF-CVE-2026-28807 Path Traversal in wisp.serve_static allows arbitrary file read

Summary Improper Limitation of a Pathname to a Restricted Directory 'Path Traversal' vulnerability in gleam-wisp wisp allows arbitrary file read via percent-encoded path traversal. The wisp.serve\static function is vulnerable to path traversal because sanitization runs before percent-decoding. Th...

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-2026-82736 Ash.Type.CiString validates length and match constraints before case folding, allowing constraint bypass

Summary Incorrect Behavior Order: Validate Before Canonicalize vulnerability in ash-project ash lets an attacker store a case-insensitive string value that violates its length or match constraints. Ash.Type.CiString.applyconstraints/2 lib/ash/type/cistring.ex validated the maxlength, minlength, a...

EEF-CVE-2026-82580 AshAi echoes raw tool exception messages into the conversation, disclosing internal details

Summary Generation of Error Message Containing Sensitive Information vulnerability in ash-project ashai discloses internal error text to chat users. In AshAi.ToolLoop and AshAi.Tools, an exception raised while executing a tool was serialized verbatim with Exception.message/1 into the tool-result...

EEF-CVE-2026-82579 AshAi tool loop never terminates when all tool calls are filtered out, enabling denial of service

Summary Loop with Unreachable Exit Condition Infinite Loop vulnerability in ash-project ashai allows an attacker who can influence a model's output to hang the tool loop and drive unbounded, repeated model requests. AshAi.ToolLoop classifies a model response of :toolcalls, then filters the calls...

EEF-CVE-2026-78228 Unbounded handle_error recursion enables denial of service in AshOban triggers

Summary Uncontrolled Recursion vulnerability in ash-project ashoban allows a user who can drive a trigger's onerror action to fail on the final attempt to exhaust worker CPU and memory, denying service. The generated worker's atomic handleerror/4 runs the trigger's onerror action on a job's final...

EEF-CVE-2026-77846 JSON path injection via unescaped get_path segments in AshSqlite

Summary Improper Neutralization of Special Elements in Data Query Logic vulnerability in ash-project ashsqlite allows an attacker who controls a getpath/2 segment to traverse into nested JSON the application never exposed, disclosing private or sensitive? embedded fields...

EEF-CVE-2026-75484 HTTP/2 header field values containing CR, LF or NUL are passed to the application unvalidated in Bandit

Summary Improper Neutralization of CRLF Sequences 'CRLF Injection' vulnerability in mtrudel bandit allows an unauthenticated remote attacker to smuggle CR, LF, or NUL characters into application-visible request headers via HTTP/2. Bandit.HTTP2.Stream.readheaders/1 validates pseudo-header placemen...

EEF-CVE-2026-68747 CSS sanitizer allowlist bypass in html_sanitize_ex via non-declaration input

Summary Improper Neutralization of Special Elements in Output Used by a Downstream Component 'Injection' vulnerability in the CSS scrubber in rrrene htmlsanitizeex allows an unauthenticated remote attacker to inject CSS at-rules, including an import of a remote stylesheet, into a page served to...

EEF-CVE-2026-66884 Oidcc.Plug.AuthorizationCallback accepts callbacks with no authorize session or no state parameter, defeating CSRF protection

Summary Cross-Site Request Forgery vulnerability in Erlang Ecosystem Foundation oidccplug Oidcc.Plug.AuthorizationCallback module allows an attacker to make a victim's browser complete an authorization flow the victim never initiated. This vulnerability is associated with program file...

EEF-CVE-2026-65636 YAML injection via unescaped newlines in ymlr document comments

Summary Improper Neutralization of CRLF Sequences vulnerability in ufirstgroup ymlr Elixir.Ymlr module allows attackers to inject arbitrary content into generated YAML documents through document comments. Ymlr.document!/2 interpolates each caller-supplied comment string into the output behind a...

EEF-CVE-2026-49759 Stack buffer overflow in SCTP error cause parsing in inet_drv allows remote VM crash

Summary Stack-based Buffer Overflow vulnerability in Erlang OTP erts inetdrv allows an unauthenticated remote attacker to crash the BEAM VM by sending a crafted SCTP ERROR chunk. The sctpparseerrorchunk function in erts/emulator/drivers/common/inetdrv.c parses SCTP ERROR chunks and writes cause...

EEF-CVE-2026-49756 Multipart form-data header injection in Req via unescaped name/filename/content_type

Summary Improper Neutralization of CRLF Sequences 'CRLF Injection' vulnerability in wojtekmach Req allows multipart parameter smuggling via attacker-influenced part metadata. Req.Utils.encode\form\part/2 in lib/req/utils.ex builds the per-part headers by interpolating the caller-supplied name,...

EEF-CVE-2026-48595 Authorization header leaks to third-party origin on cross-origin redirect in Tesla.Middleware.FollowRedirects

Summary Improper Handling of Case Sensitivity vulnerability in elixir-tesla tesla allows credential leakage to a third-party origin on cross-origin redirects. Tesla.Middleware.FollowRedirects strips security-sensitive headers on cross-origin redirects using a case-sensitive string comparison...

EEF-CVE-2026-43965 Path Traversal in build/packages/packages.toml Allows Arbitrary Directory Deletion

Summary Path traversal vulnerability in Gleam's dependency management allows arbitrary directory deletion via malicious build/packages/packages.toml content. Package keys read from build/packages/packages.toml by LocalPackages::read\from\disc are passed without validation to...

EEF-CVE-2026-42789 Non-CA certificate accepted as intermediate issuer in public_key path validation

Summary Improper Following of a Certificate's Chain of Trust vulnerability in Erlang OTP publickey pubkeycert module allows a non-CA certificate to be accepted as an intermediate issuer, enabling certificate chain forgery. In lib/publickey/src/pubkeycert.erl, pubkeycert:validateextensions/7...

EEF-CVE-2026-47070 HTTP/3 redirect handler leaks Authorization and Cookie headers to cross-origin redirect target in hackney

Summary Sensitive Data Exposure vulnerability in benoitc hackney allows Retrieve Embedded Sensitive Data. The HTTP/3 redirect handler in src/hackney\h3.erl passes the original request headers unchanged to the redirect target without performing any cross-origin check. When a client issues an HTTP/...

EEF-CVE-2026-47077 Unbounded body accumulation in HTTP/3 response loop in hackney

Summary Allocation of Resources Without Limits or Throttling vulnerability in benoitc hackney allows Flooding. hackney\h3:await\response\loop/6 accumulates the HTTP/3 response body in memory without any size cap. The after Timeout clause is a per-message inactivity timer that resets on every...

EEF-CVE-2026-23943 Pre-auth SSH DoS via unbounded zlib inflate

Summary Improper Handling of Highly Compressed Data Compression Bomb vulnerability in Erlang OTP ssh ssh\transport modules allows Denial of Service via Resource Depletion. The SSH transport layer advertises legacy zlib compression by default and inflates attacker-controlled payloads...

EEF-CVE-2026-23942 SFTP root escape via component-agnostic prefix check in ssh_sftpd

Summary Improper Limitation of a Pathname to a Restricted Directory 'Path Traversal' vulnerability in Erlang OTP ssh\sftpd module allows Path Traversal. This vulnerability is associated with program files lib/ssh/src/ssh\sftpd.erl and program routines ssh\sftpd:is\within\root/2. The SFTP server...

EEF-CVE-2026-21621 Improper Scope Enforcement in OAuth client_credentials Flow Allows Read-Only API Key to Escalate to Full Access

Summary Incorrect Authorization vulnerability in hexpm hexpm/hexpm 'Elixir.HexpmWeb.API.OAuthController' module allows Privilege Escalation. An API key created with read-only permissions domain: "api", resource: "read" can be escalated to full write access under specific conditions. When exchangi...

EEF-CVE-2026-53424 Missing one-time-use enforcement in Samly allows replay of SAML bearer assertions

Summary Authentication Bypass by Capture-replay vulnerability in dropbox samly allows an attacker to authenticate as the subject of a captured SAML assertion by resubmitting it. Samly.Helper.decodeidpauthresp/3 in lib/samly/helper.ex calls esamlsp:validateassertion/2, whose default duplicate...

EEF-CVE-2026-66881 Path traversal in imported file_entries name allows arbitrary file write via URL-type entry download

Summary Relative Path Traversal vulnerability in livebook-dev livebook allows an attacker-authored notebook to write a file with attacker-controlled content to an arbitrary path. A .livemd notebook can declare fileentries metadata, each entry carrying a name. Every path that creates a file entry...

EEF-CVE-2026-55953 TLS 1.2 and DTLS client accepts unoffered anonymous cipher suite, bypassing server authentication

Summary The Erlang/OTP ssl TLS 1.2 and earlier and DTLS client does not verify that the cipher suite selected by the server in ServerHello was among the suites offered by the client in ClientHello. The client-side tlshandshake:hello/5 handler validates the negotiated protocol version and the...

EEF-CVE-2026-42792 epmd permanent DoS via EMFILE on accept(2) in erts

Summary Improper Handling of Exceptional Conditions vulnerability in Erlang OTP erts epmd allows an unauthenticated remote attacker to permanently terminate the Erlang Port Mapper Daemon epmd via connection slot exhaustion. The do\accept function in erts/epmd/src/epmd\srv.c calls epmd\cleanup\exi...

EEF-CVE-2026-56810 mint buffers an entire chunked response chunk in memory in Mint.HTTP1.decode_body/5

Summary Allocation of Resources Without Limits or Throttling vulnerability in elixir-mint mint Mint.HTTP1 module allows a denial of service via an oversized chunked transfer-encoded response. This vulnerability is associated with program files lib/mint/http1.ex and program routines...