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-2026-42786 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-2026-42793 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-2026-39805 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-2026-42788 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-2026-43967 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-2026-47071 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-2026-47074 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-2026-48597 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-2026-49755 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-2026-47069 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-2026-32685 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-2026-70395 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-2026-66883 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-2026-48599 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-2026-53423 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-2026-48592 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-2026-48859 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,...

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-2026-77850 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-2026-75759 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-2026-49754 HTTP/2 CONTINUATION flood in Mint client via unbounded header-block accumulation

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 HTTP/2 CONTINUATION flood. When Mint's HTTP/2 receive path observes a HEADERS frame without the END\HEADERS flag, the unparse...

EEF-CVE-2026-42791 OCSP responder certificate validity period not checked in public_key

Summary Improper Certificate Validation vulnerability in Erlang OTP public\key pubkey\ocsp module allows forged OCSP responses signed with an expired responder certificate to be accepted as valid. OCSP response verification in pubkey\ocsp:verify\response/5 and pubkey\ocsp:is\authorized\responder/...

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-2026-32687 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-2026-32686 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-2026-54889 Unsanitized URL schemes in MDEx Quill Delta output allow javascript: injection (XSS)

Summary Improper Neutralization of Input During Web Page Generation XSS vulnerability in leandrocp mdex allows cross-site scripting via unsanitized URL schemes in Quill Delta output. 'Elixir.MDEx':to\delta/2 converts Markdown into a Quill Delta. 'Elixir.MDEx.DeltaConverter':default\convert\node/3...

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-2026-48853 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-2026-49753 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-2026-47073 Unbounded memory consumption in WebSocket client in hackney

Summary Allocation of Resources Without Limits or Throttling vulnerability in benoitc hackney allows Flooding. The WebSocket client in src/hackney\ws.erl imposes no upper bound on memory consumption in three code paths. First, read\handshake\response/3 accumulates received bytes into a growing...

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-2026-66835 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-2026-80223 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-2026-59246 Zero-length HTTP/2 CONTINUATION frames bypass Mint's header-block byte-size cap and exhaust client memory

Summary Allocation of resources without limits vulnerability in elixir-mint mint allows a remote HTTP/2 server to exhaust memory on the client host and cause a denial of service. The Mint.HTTP2.handle\continuation/3 function in lib/mint/http2.ex accumulates the header-block fragment carried by ea...

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-2026-53430 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-2026-49757 OAuth2/OIDC account takeover in AshAuthentication via email-based user matching

Summary Authentication Bypass by Spoofing vulnerability in team-alembic AshAuthentication allows account takeover of local users via OAuth2/OIDC sign-in. AshAuthentication's OAuth2 and OIDC family strategies matched the local user by email address an upsert on the email field, or a user-defined...

EEF-CVE-2026-48861 CRLF injection in HTTP/1 request line via unvalidated method in Mint

Summary Improper Neutralization of CRLF Sequences 'CRLF Injection' vulnerability in elixir-mint Mint allows HTTP Request Splitting and HTTP Request Smuggling. In lib/mint/http1/request.ex, the encode\request\line/2 function splices the caller-supplied method and target arguments directly into the...

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-2026-59252 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-2026-58226 Unauthenticated denial-of-service via unbounded HPACK integer decoding in hpax

Summary Inefficient Algorithmic Complexity vulnerability in elixir-mint hpax allows unauthenticated denial-of-service via unbounded HPACK integer decoding. hpax decodes HPACK variable-length integers with no upper bound on the decoded value or the number of continuation octets...

EEF-CVE-2026-43974 gun HTTP/1.1 client accepts unsolicited 101 Switching Protocols response allowing server-driven protocol hijack and OOM

Summary Unexpected Status Code or Return Value vulnerability in ninenines gun gun\http module allows a malicious HTTP server to force the client into raw protocol mode via an unsolicited 101 Switching Protocols response. In gun\http:handle\inform/8, when a 101 Switching Protocols response is...

EEF-CVE-2026-48596 CRLF injection in Tesla.Multipart.add_content_type_param/2 allows HTTP header injection

Summary Improper Neutralization of CRLF Sequences in HTTP Headers 'HTTP Request/Response Splitting' vulnerability in elixir-tesla tesla allows HTTP header injection via Tesla.Multipart.addcontenttypeparam/2. Tesla.Multipart.addcontenttypeparam/2 appends caller-supplied strings to the multipart...

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-2026-39807 Client-supplied URI scheme trusted without transport verification in bandit

Summary Reliance on Untrusted Inputs in a Security Decision vulnerability in mtrudel bandit allows unauthenticated transport-state spoofing on plaintext HTTP connections. 'Elixir.Bandit.Pipeline':determine\scheme/2 in lib/bandit/pipeline.ex returns the client-supplied URI scheme verbatim, ignorin...