PyJWT accepts public JWK containers as HMAC secrets

SummaryPyJWT 2.13.0 contains an incomplete defense against algorithm confusion whenan application mixes symmetric and asymmetric algorithms in one verificationpath. A public RSA, EC, or OKP JWK can be accepted as an HMAC secret when itis wrapped in a JWKS object, nested in an array, or represente...

PyJWT accepts public JWK containers as HMAC secrets

Summary PyJWT 2.13.0 contains an incomplete defense against algorithm confusion when an application mixes symmetric and asymmetric algorithms in one verification path. A public RSA, EC, or OKP JWK can be accepted as an HMAC secret when it is wrapped in a JWKS object, nested in an array, or...

User Impersonation

Overview Affected versions of this package are vulnerable to User Impersonation through the JWTClaimsRegistry in src/joserfc/rfc7519/claims.py. An attacker can make a JWT with an array-typed iss claim pass an exact-issuer check by supplying a list that contains the expected issuer string...

CVE-2026-75509 joserfc claim-validation bypass via array-typed single-string claims (iss/sub/jti)

joserfc is a Python library that provides an implementation of several JSON Object Signing and Encryption JOSE standards. Prior to version 1.7.3, JWTClaimsRegistry applies membership matching to list-valued iss and sub claims, allowing an array-valued iss that contains the expected issuer to pass...

EUVD-2026-61047

@neo4j/graphql from 5.2.0 until the patched versions fails to enforce field-level @authentication rules on root custom-resolver fields when a type-level @authentication rule is also present on the same operation type. When both a type-level @authentication on Query/Mutation and a...

CVE-2026-19363

A vulnerability was found in lmammino oidc-authorizer up to 0.4.0. Impacted is an unknown function of the file src/handler.rs of the component Lambda Authorizer. The manipulation results in sensitive information in log files. The attack can be executed remotely. src/handler.rs logs raw...

EUVD-2026-54934

A vulnerability was found in lmammino oidc-authorizer up to 0.4.0. Impacted is the function unwrap of the file src/handler.rs of the component Fixed Message Handler. The manipulation of the argument jwtClaims results in deserialization. The attack can be executed remotely. The exploit has been ma...

CVE-2026-63687

Apache CXF's JwtRequestCodeFilter copies all claims from a signed request JWT into the authorization parameter map without excluding security-sensitive parameters. A client that can produce a validly-signed request JWT e.g., one whose clientsecret is known or compromised can thereby substitute th...

CVE-2026-45069

CVE-2026-45069 concerns Symfony’s OidcTokenHandler, where verifyClaims() registered aud/iss/exp checkers but did not pass the mandatory claims list to ClaimCheckerManager::check(). Consequently, a validly signed JWT missing these claims could pass verification. The issue is fixed in Symfony relea...

CVE-2026-55954 Missing ID token claim validation in ueberauth_apple allows account takeover

Authentication Bypass by Spoofing vulnerability in ueberauth ueberauthapple allows account takeover via unvalidated ID token claims. The Ueberauth.Strategy.Apple.Token.payload/2 function verifies the JWT signature of the callback idtoken against Apple's JWKS but does not validate any registered...

CVE-2026-55759: Improper Authentication

Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.1, 8.4.4, 8.3.6, 8.2.6, 8.1.6, 8.0.7, and 7.10.13, Rocket.Chat's Apple Sign-In handler verifies JWT signatures but skips claims validation. Any Apple-signed JWT with a non-empty iss is accepted...

CVE-2026-45040

RustFS is a distributed object storage system built in Rust. Prior to 1.0.0-beta.2, RustFS suffers from sensitive information leakage in log outputs. When the server is run with RUSTLOG=debug sensitive credentials including SessionToken JWT, SecretAccessKey, and full JWT claims are printed in...

PT-2026-44468

RustFS is a distributed object storage system built in Rust. Prior to 1.0.0-beta.2, RustFS suffers from sensitive information leakage in log outputs. When the server is run with RUST LOG=debug sensitive credentials including SessionToken JWT, SecretAccessKey, and full JWT claims are printed in...

rustfs 日志信息泄露漏洞

RustFS is a high-performance object storage system developed by RustFS. Versions of RustFS prior to 1.0.0-beta.2 contained a vulnerability related to log information leakage. This vulnerability occurred due to the exposure of sensitive credentials in debug log outputs, including SessionToken,...

CVE-2026-35594: Insufficient Session Expiration

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, Vikunja's link share authentication GetLinkShareFromClaims in pkg/models/linksharing.go constructs authorization objects entirely from JWT claims without any server-side database validation. When a project owner delet...

Centrifugo: SSRF via unverified JWT claims interpolated into dynamic JWKS endpoint URL

Summary Centrifugo is vulnerable to Server-Side Request Forgery SSRF when configured with a dynamic JWKS endpoint URL using template variables e.g. tenant. An unauthenticated attacker can craft a JWT with a malicious iss or aud claim value that gets interpolated into the JWKS fetch URL before the...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the fetchKey function. An attacker can cause the server to make arbitrary HTTP requests to attacker-controlled destinations by crafting a JWT with malicious claim values that are interpolated into th...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the fetchKey function. An attacker can cause the server to make arbitrary HTTP requests to attacker-controlled destinations by crafting a JWT with malicious claim values that are interpolated into th...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the fetchKey function. An attacker can cause the server to make arbitrary HTTP requests to attacker-controlled destinations by crafting a JWT with malicious claim values that are interpolated into th...

CVE-2026-25875 PlaciPy Admin Privilege Escalation via Trusted JWT Claims

PlaciPy is a placement management system designed for educational institutions. In version 1.0.0, The admin authorization middleware trusts client-controlled JWT claims role and scope without enforcing server-side role verification...