CVE-2026-16615

A flaw was found in librest. The PKCE implementation for OAuth authorization uses the GRand function from the GLib API, a cryptographically insecure pseudo-random number generator. Because the generated "code verifier" lacks sufficient cryptographic entropy, a malicious actor can reverse-engineer...

PT-2026-56795

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description An internal and undocumented Dashboard API endpoint POST /api/users//user/tokens fails to verify if a request to create an API token for another user has the...

SUSE CVE-2017-18905

An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2, when used as an OAuth 2.0 service provider, Session invalidation was mishandled...

PYSEC-2022-269

OAuthLib is an implementation of the OAuth request-signing logic for Python 3.6+. In OAuthLib versions 3.1.1 until 3.2.1, an attacker providing malicious redirect uri can cause denial of service. An attacker can also leverage usage of urivalidate functions depending where it is used. OAuthLib...