CVE-2026-78426

The NeuVector JWT verifier accepts noncanonical Base64URL encodings of the same RSA signature field. An attacker holding a valid JWT that has not expired, but was logged out of NeuVector, can continue using the non-expired token with equivalent spelling of the RSA signature field until the token...

CVE-2026-78426 Logout bypass via alternate JWT spelling

The NeuVector JWT verifier accepts noncanonical Base64URL encodings of the same RSA signature field. An attacker holding a valid JWT that has not expired, but was logged out of NeuVector, can continue using the non-expired token with equivalent spelling of the RSA signature field until the token...

EUVD-2026-81414

The NeuVector JWT verifier accepts noncanonical Base64URL encodings of the same RSA signature field. An attacker holding a valid JWT that has not expired, but was logged out of NeuVector, can continue using the non-expired token with equivalent spelling of the RSA signature field until the token...

CVE-2026-78426 Logout bypass via alternate JWT spelling

The NeuVector JWT verifier accepts noncanonical Base64URL encodings of the same RSA signature field. An attacker holding a valid JWT that has not expired, but was logged out of NeuVector, can continue using the non-expired token with equivalent spelling of the RSA signature field until the token...

CVE-2026-78426

NeuVector 's JWT verifier accepts noncanonical Base64URL encodings of the same RSA signature field. An attacker holding a valid, non-expired JWT that was already used to log out of NeuVector can continue using the token by altering the spelling of the signature field, bypassing the logout mechani...

CVE-2026-78426: Incorrect Authorization

The NeuVector JWT verifier accepts noncanonical Base64URL encodings of the same RSA signature field. An attacker holding a valid JWT that has not expired, but was logged out of NeuVector, can continue using the non-expired token with equivalent spelling of the RSA signature field until the token...

CVE-2026-54560: Incorrect Authorization

Cloudreve is a self-hosted file management and sharing system. From 4.12.0 until 4.16.1, Cloudreve's OAuth access tokens are issued without the OAuth clientid claim, so the JWT verifier does not load token scopes into request context and RequiredScopes treats the request like non-scoped session...

PYSEC-2026-2589 Lemur: JWT verifier honors attacker-supplied alg, enabling ATO

Lemur 1.9.0: JWT verifier trusts attacker-supplied alg from token header — defense-in-depth gap; chain-dependent ATO with secret disclosure Vulnerability Summary Field | Value -- | -- Title | Lemur 1.9.0: JWT verifier trusts attacker-supplied alg from token header — defense-in-depth gap;...

CVE-2026-48526

PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, when the verifier is decoding JSON Web Tokens, while supporting both asymmetric and HMAC algorithms, the library does not validate use of JSON Web Keys in HMAC algorithm, allowing attacker to use the issuer public key as the...

Apache Kafka 安全漏洞

Apache Kafka is an open-source distributed streaming platform developed by the Apache Foundation in the United States. This platform enables the acquisition of real-time data, allowing for the creation of applications that can respond in real time to changes in data streams. Versions 4.1.0 and...

@okta/jwt-verifier (3.2.1) potentially affected by CVE-2024-34273 via njwt (2.0.0)

njwt NPM version 2.0.0 is affected by a known vulnerability. The following packages have a transitive dependency on njwt and may be impacted: - @okta/jwt-verifier 3.2.1 Source cves: CVE-2024-34273 Source advisory: OSV:GHSA-3HVJ-2783-34X2...