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-2026-48591 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-2026-48853 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-2026-53430 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-2026-48599 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-2026-48854 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-2026-49757 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-2026-53423 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-2026-48856 httpc leaks Authorization header to cross-origin redirect targets

Summary Sensitive Data Exposure vulnerability in Erlang OTP inets httpcresponse module allows Retrieve Embedded Sensitive Data. The httpc client forwards the Authorization and Proxy-Authorization request headers to redirect targets without checking whether the redirect crosses an origin boundary...

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...

EEF-CVE-2026-48860 Distribution-over-TLS LAN allowlist silently bypassed due to sockname/peername confusion in inet_tls_dist

Summary Reliance on IP Address for Authentication vulnerability in Erlang/OTP ssl inettlsdist module allows unauthenticated bypass of the distribution-over-TLS LAN allowlist. The inettlsdist:checkip/1 function, which enforces a LAN allowlist for Erlang distribution over TLS, calls inet:sockname/1...

EEF-CVE-2026-48858 ftp client PASV response IP not validated against control peer, enabling SSRF and FTP bounce attacks

Summary Server-Side Request Forgery SSRF vulnerability in Erlang/OTP ftp ftp\internal module allows FTP bounce attacks and SSRF via an unvalidated PASV response IP address. The ftp\internal:handle\ctrl\result/2 PASV handler mode=passive, ipfamily=inet, ftp\extension=false extracts the IP address...

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-2026-49759 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-2026-49760 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-2026-49762 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-2026-43966 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-2026-49755 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-2026-49756 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-2026-43973 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-2026-43972 gun HTTP/2 PUSH_PROMISE authority not validated against connection origin allows cross-origin cookie injection

Summary Origin Validation Error vulnerability in ninenines gun gun\http2 module allows cross-origin cookie injection via unvalidated HTTP/2 PUSH\PROMISE authority. In gun\http2:push\promise\frame/7, the :authority pseudo-header from an incoming PUSH\PROMISE frame is stored verbatim into the...

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-2026-48594 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-2026-48595 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-2026-48597 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-2026-48598 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-2026-49753 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-2026-49754 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-2026-48862 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-2026-48861 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-2026-42795 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 gleamfiles, nativefiles, privatefiles in compiler-cli/src/fs.rs use followlinkstrue when walking publishable...

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::readfromdisc are passed without validation to...

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-2026-42790 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-2026-42791 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-2026-42789 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-2026-48592 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-2026-48593 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-2026-47073 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-2026-47067 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-2026-47072 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-2026-47076 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-2026-47070 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-2026-47075 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-2026-47077 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-2026-47071 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-2026-47069 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-2026-47066 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...