EEF-CVE-2026-43969 Cookie Request Header Injection via Unvalidated Encoder in cow_cookie:cookie/1

Summary Improper Neutralization of CRLF Sequences 'CRLF Injection' vulnerability in ninenines cowlib allows HTTP request splitting and cookie smuggling via unvalidated cookie name and value fields. cowcookie:cookie/1 in cowlib builds a client-side Cookie: request header from a list of name-value...

EEF-CVE-2026-42793 Atom table exhaustion via attacker-controlled GraphQL SDL names in absinthe

Summary Allocation of Resources Without Limits or Throttling vulnerability in absinthe-graphql absinthe allows unauthenticated denial of service via atom table exhaustion when parsing attacker-controlled GraphQL SDL. Multiple Blueprint.Draft.convert/2 implementations in Absinthe's SDL language...

EEF-CVE-2026-42786 WebSocket fragmented message reassembly unbounded in bandit

Summary Allocation of Resources Without Limits or Throttling vulnerability in mtrudel bandit allows unauthenticated remote denial of service via memory exhaustion. The fragment reassembly path in 'Elixir.Bandit.WebSocket.Connection':handle\frame/3 in lib/bandit/websocket/connection.ex appends eve...

EEF-CVE-2026-43967 Quadratic fragment-name uniqueness check causes denial of service in absinthe

Summary Inefficient Algorithmic Complexity vulnerability in absinthe-graphql absinthe allows unauthenticated denial of service via quadratic fragment-name uniqueness validation. 'Elixir.Absinthe.Phase.Document.Validation.UniqueFragmentNames':run/2 iterates over all fragments and for each one call...

EEF-CVE-2026-39805 CL.CL HTTP request smuggling via duplicate Content-Length in bandit

Summary Inconsistent Interpretation of HTTP Requests vulnerability in mtrudel bandit allows HTTP request smuggling via duplicate Content-Length headers. 'Elixir.Bandit.Headers':get\content\length/1 in lib/bandit/headers.ex uses List.keyfind/3, which returns only the first matching header. When a...

EEF-CVE-2026-55736 Private action arguments can be set by user input in Ash

Summary Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in ash-project ash allows a user to set the value of a private action argument that is intended to be controlled only by trusted server-side code. Action arguments declared with public?: false are...

EEF-CVE-2026-42788 HTTP/2 frame size limit checked after body is buffered in bandit

Summary Allocation of Resources Without Limits or Throttling vulnerability in mtrudel bandit allows unauthenticated memory exhaustion via oversized HTTP/2 frames. 'Elixir.Bandit.HTTP2.Frame':deserialize/2 in lib/bandit/http2/frame.ex checks the SETTINGS\MAX\FRAME\SIZE limit only after...

EEF-CVE-2026-105659 HTTP/2 blocked-send deadlines reset on every WINDOW_UPDATE, letting a trickle pin stream processes indefinitely in Bandit

Summary Uncontrolled Resource Consumption vulnerability in mtrudel bandit allows an unauthenticated remote attacker to pin HTTP/2 stream processes indefinitely via a trickle of small WINDOWUPDATE frames. A stream whose response outruns the connection or stream send window blocks until the peer...

EEF-CVE-2026-47069 CRLF injection in cookie domain/path options in hackney

Summary Improper Neutralization of CRLF Sequences 'CRLF Injection' vulnerability in benoitc hackney allows HTTP Response Splitting. The hackney\cookie:setcookie/3 function in src/hackney\cookie.erl validates the Name and Value arguments against CRLF and control characters, but concatenates the...

EEF-CVE-2026-66883 Oidcc.Plug.Authorize user agent session binding inert due to case-sensitive header lookup

Summary Improper Handling of Case Sensitivity vulnerability in Erlang Ecosystem Foundation oidccplug Oidcc.Plug.Authorize module renders the user agent session binding inert, removing a defense in depth control against replay of a stolen session. This vulnerability is associated with program file...

EEF-CVE-2026-59695 Unbounded max_fee_per_gas in mpp Tempo fee-payer enables single-request wallet drain

Summary Improper Validation of Specified Quantity in Input in ZenHive mpp allows an unauthenticated remote client to drain the fee-payer wallet in a single request by naming an arbitrarily high gas price. When the mpp Elixir library is configured as fee payer fee\payer: true,...

EEF-CVE-2026-47071 SOCKS5 TLS upgrade ignores caller timeout in hackney

Summary Uncontrolled Resource Consumption vulnerability in benoitc hackney allows Flooding. The SOCKS5 transport in src/hackney\socks5.erl correctly applies the caller-supplied timeout to the SOCKS5 negotiation phase, but then upgrades the connection to TLS using the two-argument form...

EEF-CVE-2026-82672 Unvalidated chunk-size line tail in Mint HTTP/1 client enables response smuggling against strict intermediaries on pooled connections

Summary Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in elixir-mint mint allows a malicious HTTP/1 server to desynchronize a strict intermediary and the Mint client on a pooled connection, enabling response-queue poisoning against subsequent request...

EEF-CVE-2026-77850 Stored XSS in AshAdmin relationship typeahead via unescaped label_field content

Summary Stored Cross-site Scripting vulnerability in ash-project ashadmin executes attacker-supplied record content as script in an administrator's browser. The relationship typeahead components AshAdmin.Components.Resource.RelationshipField and...

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-2026-53430 grpc gzip decompression bomb in GRPC.Compressor.Gzip.decompress/1

Summary Improper Handling of Highly Compressed Data Data Amplification vulnerability in elixir-grpc grpc GRPC.Compressor.Gzip, GRPC.Message modules allows a denial of service via a gzip decompression bomb. This vulnerability is associated with program files lib/grpc/compressor/gzip.ex,...

EEF-CVE-2026-73829 Non-atomic hash-credential dedup in mpp Tempo allows replay of a confirmed payment under a concurrent race

Summary Time-of-check Time-of-use TOCTOU Race Condition in ZenHive mpp allows an unauthenticated remote client to redeem one confirmed on-chain payment for multiple paid-resource accesses. The type="hash" credential path in MPP.Methods.Tempo.verify/2 guards against replay with a non-atomic...

EEF-CVE-2026-70395 Predicate injection in manage_relationship belongs_to lookup discloses secret lookup keys in Ash

Summary Improper Neutralization of Special Elements in Data Query Logic vulnerability in ash-project ash allows an attacker to forge a relationship to a record they cannot name, and to recover the secret value used to look it up. When managerelationship is used with onlookup: :relate on a belongs...

EEF-CVE-2026-48599 Authorization bypass via path binding override in elixir-grpc/grpc HTTP transcoding

Summary Authorization Bypass Through User-Controlled Key vulnerability in elixir-grpc grpc allows authenticated attackers to access or modify resources belonging to other users by smuggling a conflicting value for any path-bound field via the query string or request body. In...

EEF-CVE-2026-49755 Decompression bomb DoS in Req via auto-decoded archive and compressed response bodies

Summary Improper Handling of Highly Compressed Data Data Amplification vulnerability in wojtekmach Req allows attacker-controlled HTTP servers to exhaust memory in a Req client via decompression-bomb response bodies. Req's default response pipeline includes Req.Steps.decode\body/1 and...

EEF-CVE-2026-48593 Unbounded range expansion in cron describe causes memory exhaustion in oban_web

Summary Uncontrolled Resource Consumption vulnerability in oban-bg oban\web 'Elixir.Oban.Web.CronExpr' modules allows memory exhaustion via unbounded cron range expansion. An attacker with access to schedule cron jobs can submit a malicious cron expression such as "0 0 1-100000000 \ ". When a use...

EEF-CVE-2026-32687 SQL injection via channel name in Postgrex.Notifications.listen/3 and unlisten/3

Summary Improper Neutralization of Special Elements used in an SQL Command 'SQL Injection' vulnerability in elixir-ecto postgrex 'Elixir.Postgrex.Notifications' module allows SQL Injection. The channel argument passed to 'Elixir.Postgrex.Notifications':listen/3 and...

EEF-CVE-2026-59252 Missing gas_limit validation in mpp Tempo fee-payer enables wallet drain

Summary Improper Validation of Specified Quantity in Input in ZenHive mpp allows an unauthenticated remote client to drain the fee-payer wallet, resulting in denial of service for legitimate clients. When the mpp Elixir library is configured as fee payer fee\payer: true, the MPP.Methods.Tempo...

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-2026-48853 Remote code execution and denial of service via unsafe Erlang term deserialization in elixir-grpc/grpc

Summary Deserialization of Untrusted Data and Allocation of Resources Without Limits or Throttling vulnerabilities in elixir-grpc grpc allow unauthenticated attackers to crash the BEAM node via atom table exhaustion and, when a decoded term flows into a call site that invokes it, achieve remote...

EEF-CVE-2026-47072 CRLF injection in WebSocket upgrade request in hackney

Summary Improper Neutralization of CRLF Sequences 'CRLF Injection' vulnerability in benoitc hackney allows HTTP Request/Response Splitting. The WebSocket upgrade code in src/hackney\ws.erl copies the host, path, headers ExtraHeaders, and protocols options from the caller-supplied opts map into th...

EEF-CVE-2026-32686 Unbounded exponent in decimal enables unauthenticated DoS

Summary Uncontrolled Resource Consumption vulnerability in ericmj decimal allows unauthenticated remote Denial of Service. The decimal library does not bound the exponent on parsed input. Storing a decimal with a very large exponent e.g. Decimal.new"1e1000000000" is accepted without error...

EEF-CVE-2026-81318 Distinct-query aggregate drops the tenant schema prefix, leaking across tenants in AshSql

Summary Incorrect Authorization vulnerability in ash-project ashsql allows a caller in a schema-based multitenant application to receive aggregate values computed from another tenant's rows. When an aggregate is computed over a distinct query, AshSql.AggregateQuery.addsingleaggs/5 rebuilds the...

EEF-CVE-2026-54888 Uncontrolled recursion over deeply nested Markdown crashes the BEAM in mdex

Summary Uncontrolled Recursion vulnerability in leandrocp mdex allows denial of service via deeply nested Markdown input. mdex converts between an Elixir %MDEx.Document struct and Comrak's internal AST using two mutually recursive Rust functions, ex\document\to\comrak\ast and...

EEF-CVE-2026-53423 Unauthenticated denial-of-service via BEAM atom table exhaustion in membrane_mp4_plugin

Summary Allocation of Resources Without Limits or Throttling vulnerability in membraneframework membrane\mp4\plugin allows unauthenticated denial-of-service via BEAM atom table exhaustion. The MP4 box header parser converts each 4-byte box name to an atom using String.to\atom/1 without validation...

EEF-CVE-2026-48597 Atom table exhaustion via untrusted URL scheme in Tesla.Adapter.Mint

Summary Allocation of Resources Without Limits or Throttling vulnerability in elixir-tesla tesla allows denial of service via atom table exhaustion in Tesla.Adapter.Mint. Tesla.Adapter.Mint.openconn/2 converts the URL scheme of every outgoing request to a BEAM atom via String.toatomuri.scheme wit...

EEF-CVE-2026-32685 Path Traversal in gleam docs build via documentation.pages Allows Arbitrary File Read and Write

Summary Path traversal vulnerability in Gleam's handling of custom documentation pages allows arbitrary file read and file write outside the intended documentation output directory. The documentation.pages entries from gleam.toml are incorporated into filesystem paths without sufficient validatio...

EEF-CVE-2026-47074 ex_aws_sns SigningCertURL not validated in verify_message/1

Summary Improper Certificate Validation vulnerability in ex-aws ex\aws\sns ExAws.SNS, ExAws.SNS.PublicKeyCache modules allows Signature Spoofing by Improper Validation. This vulnerability is associated with program files lib/ex\aws/sns.ex, lib/ex\aws/sns/public\key\cache.ex and program routines...

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-2026-48592 Missing authorization check on save-job event handler in oban_web

Summary Missing Authorization vulnerability in oban-bg oban\web 'Elixir.Oban.Web.Jobs.DetailComponent' modules allows unauthorized job worker substitution. The handle\event"save-job", ... handler in 'Elixir.Oban.Web.Jobs.DetailComponent' does not perform an authorization check, unlike the sibling...

EEF-CVE-2026-47075 CR/LF injection in query parameter in hackney

Summary Improper Neutralization of CRLF Sequences vulnerability in benoitc hackney allows HTTP Request Splitting. hackney does not percent-encode carriage return \r or line feed \n characters in the URL query component before constructing the HTTP/1.1 request target. Characters outside the...

EEF-CVE-2026-95105 Cloak AES-CTR cipher lacks ciphertext authentication, allowing chosen-plaintext forgery by bit flipping

Summary Reliance on Obfuscation or Encryption of Security-Relevant Inputs without Integrity Checking vulnerability in danielberkompas cloak allows an attacker with write access to stored ciphertext to make it decrypt to a chosen value via bit flipping. Cloak.Ciphers.AES.CTR encrypts with AES-256 ...

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-2026-77846 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-2026-67581 On-chain transfer proof is not single-use in mpp EVM payment method, enabling cross-challenge replay

Summary Authentication Bypass by Capture-replay in ZenHive mpp allows an unauthenticated remote client to obtain paid resources by resubmitting one settled on-chain transfer. MPP.Methods.EVM.verify/2 accepts a transaction-hash credential and matches a transfer purely on token, to and amount ERC-2...

EEF-CVE-2026-68749 Quadratic regex backtracking in the html_sanitize_ex CSS scrubber allows CPU-exhaustion denial of service

Summary Inefficient Regular Expression Complexity vulnerability in the CSS scrubber in rrrene htmlsanitizeex allows an unauthenticated remote attacker to exhaust server CPU via a long CSS declaration in sanitized HTML. The declaration regex in HtmlSanitizeEx.Scrubber.CSS.scrub/1 matches the...

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-2026-75759 Encrypted ID token or JARM response accepted without a nested signature in erlef oidcc

Summary Improper Verification of Cryptographic Signature vulnerability in erlef oidcc allows an unauthenticated attacker to impersonate an arbitrary user via an encrypted ID token or JARM response carrying no nested signature. OpenID Connect Core 1.0 section 2 requires that an encrypted ID token ...

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-2026-56811 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-2026-80223 Cross-tenant subscription disclosure in AshGraphql authorizes notifications in memory without a tenant-scoped read

Summary Incorrect Authorization vulnerability in ash-project ashgraphql allows an authenticated subscriber in one tenant to receive another tenant's records over GraphQL subscriptions. The subscription resolver in AshGraphql.Graphql.Resolver authorizes each notification payload in memory: its fas...

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-2026-49753 HTTP response smuggling in Mint HTTP/1 client via lenient Content-Length parsing

Summary Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in elixir-mint Mint allows attacker-controlled HTTP/1 servers to desynchronise response framing on shared connections. Mint's HTTP/1 Content-Length parser, Mint.HTTP1.Parse.content\length\header/1...

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-2026-48859 SSH server timing side-channel in ssh_auth:check_password/3 allows unauthenticated username enumeration

Summary Observable Timing Discrepancy vulnerability in Erlang/OTP ssh sshauth, sshoptions modules allows unauthenticated remote username enumeration via timing side-channel in password authentication. When the SSH daemon is configured with the userpasswords or password option,...