PT-2025-41563

Name of the Vulnerable Software and Affected Versions python-jose versions through 3.3.0 Description The software accepts JWT tokens with 'alg=none' without cryptographic signature verification. This allows a malicious actor to create forged tokens with arbitrary claims, potentially bypassing...

CVE-2025-61152: Improper Privilege Management

python-jose thru 3.3.0 allows JWT tokens with 'alg=none' to be decoded and accepted without any cryptographic signature verification. A malicious actor can craft a forged token with arbitrary claims e.g., isadmin=true and bypass authentication checks, leading to privilege escalation or unauthoriz...

CVE-2024-48916: Insufficient Verification of Data Authenticity

Ceph is a distributed object, block, and file storage platform. In versions 19.2.3 and below, it is possible to send an JWT that has "none" as JWT alg. And by doing so the JWT signature is not checked. The vulnerability is most likely in the RadosGW OIDC provider. As of time of publication, a kno...

CVE-2020-15957

An issue was discovered in DP3T-Backend-SDK before 1.1.1 for Decentralised Privacy-Preserving Proximity Tracing DP3T. When it is configured to check JWT before uploading/publishing keys, it is possible to skip the signature check by providing a JWT token with alg=none...

CVE-2020-15957

CVE-2020-15957 affects DP3T-Backend-SDK before 1.1.1. When configured to check JWTs before uploading/publishing keys, an attacker can bypass the signature check by supplying a JWT with alg=none, enabling potential unauthorized key publishing or forgery. The connected documents confirm the same de...

CVE-2020-15957

An issue was discovered in DP3T-Backend-SDK before 1.1.1 for Decentralised Privacy-Preserving Proximity Tracing DP3T. When it is configured to check JWT before uploading/publishing keys, it is possible to skip the signature check by providing a JWT token with alg=none...

PT-2020-14737

Name of the Vulnerable Software and Affected Versions DP3T-Backend-SDK versions prior to 1.1.1 Description An issue was discovered in the DP3T-Backend-SDK. When configured to check JWT before uploading or publishing keys, it is possible to skip the signature check by providing a JWT token with...

CVE-2020-15957: Improper Verification of Cryptographic Signature

An issue was discovered in DP3T-Backend-SDK before 1.1.1 for Decentralised Privacy-Preserving Proximity Tracing DP3T. When it is configured to check JWT before uploading/publishing keys, it is possible to skip the signature check by providing a JWT token with alg=none...

CVE-2019-19324

Xmidt cjwt through 1.0.1 before 2019-11-25 maps unsupported algorithms to alg=none, which sometimes leads to untrusted accidental JWT acceptance...

CVE-2019-19324

Xmidt cjwt (C library) before 2019-11-25 and version 1.0.1 and earlier maps unsupported JWT algorithms to alg=none, which can lead to untrusted accidental JWT acceptance. Affected component: Xmidt cjwt; root cause: permissive/incorrect handling of algorithm values; impact: potential for accepting...

CVE-2019-19324

Xmidt cjwt through 1.0.1 before 2019-11-25 maps unsupported algorithms to alg=none, which sometimes leads to untrusted accidental JWT acceptance...

CVE-2019-19324: Always-Incorrect Control Flow Implementation

Xmidt cjwt through 1.0.1 before 2019-11-25 maps unsupported algorithms to alg=none, which sometimes leads to untrusted accidental JWT acceptance...

PT-2020-10135

Name of the Vulnerable Software and Affected Versions Xmidt cjwt versions 1.0.1 and earlier Description The issue arises when Xmidt cjwt maps unsupported algorithms to alg=none, which can lead to the accidental acceptance of untrusted JWTs. This occurs because the mapping sometimes results in...