CVE-2026-59829

CVE-2026-59829 affects Discourse sites with category group moderation enabled: the review queue could expose flag-related private message excerpts to category group moderators lacking authorization to read them. CVSS 4.3 (MEDIUM), confidentiality-only impact. Fixed in versions 2026.1.6, 2026.5.2,...

CVE-2026-16047

Mattermost versions 11.7.x = 11.7.6, 10.11.x = 10.11.21, 11.8.x = 11.8.3 fail to validate that users have read access to a channel before linking a board to it, which allows an authenticated attacker to discover the membership of private channels on the same team via creating, patching, importing...

CVE-2026-16045 Delegated OAuth tokens could revoke unrelated OAuth application authorizations

Mattermost versions 11.7.x = 11.7.6, 10.11.x = 10.11.21 Mattermost failed to restrict OAuth deauthorization and personal access token management endpoints to direct user sessions, which allowed an OAuth app with a delegated user token to revoke the user's authorizations or tokens for other...

CVE-2026-16045

Mattermost 11.7.x (≤11.7.6) and 10.11.x (≤10.11.21) failed to restrict OAuth deauthorization and personal access token management endpoints to direct user sessions. A malicious OAuth app holding a delegated user token could revoke the user's authorizations or tokens for unrelated integrations via...

CVE-2026-16045 Delegated OAuth tokens could revoke unrelated OAuth application authorizations

Mattermost versions 11.7.x = 11.7.6, 10.11.x = 10.11.21 Mattermost failed to restrict OAuth deauthorization and personal access token management endpoints to direct user sessions, which allowed an OAuth app with a delegated user token to revoke the user's authorizations or tokens for other...

CVE-2026-16046 Missing run-state validation on finished playbook runs

Mattermost versions 11.7.x = 11.7.6, 10.11.x = 10.11.21 fail to enforce run-state validation on write operations for finished playbook runs which allows a run participant to modify status, checklists, retrospective content, ownership, and participants on completed runs via REST and GraphQL API...

CVE-2026-16048

Mattermost versions 11.8.x through 11.8.2, 11.7.x through 11.7.6, and 10.11.x through 10.11.21 fail to restrict the channel member roles API to channel-scoped roles, allowing a channel administrator to assign out-of-scope roles and gain additional permissions. Advisory MMSA-2026-00697 tracks the ...

CVE-2026-16471

Missing Authorization vulnerability in Dolusoft Software Technologies Sonlogger allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Sonlogger: from v6.6.6 before 6.7.4.8...

GHSA-M44R-7C5H-M6MJ Medplum: Improper Validation of Redirect URI in External Auth Callback allows Authorization Code Leakage

Summary The external identity provider callback at GET /auth/external accepts attacker-controlled redirect URIs that only need to start with a registered client redirect URI, rather than matching exactly. After a successful external IdP login, the server appends Medplum login and code values to...

Medplum: Improper Validation of Redirect URI in External Auth Callback allows Authorization Code Leakage

Summary The external identity provider callback at GET /auth/external accepts attacker-controlled redirect URIs that only need to start with a registered client redirect URI, rather than matching exactly. After a successful external IdP login, the server appends Medplum login and code values to...

CVE-2026-16467

Missing Authorization vulnerability in Dolusoft Software Technologies Fortilogger allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Fortilogger: before 6.1.5.9...

CVE-2026-16471

Sonlogger v6.6.6 up to 6.7.4.7 has a missing-authorization flaw allowing unauthenticated remote users to access ACL-unconstrained functionality with high confidentiality impact. CVSS 7.5 (network, low complexity, no auth). SSVC notes no known exploitation. Upgrade to 6.7.4.8. Turkey's Siber Güven...

CVE-2026-16471 Broken Access Control in Dolusoft Software's Sonlogger

Missing Authorization vulnerability in Dolusoft Software Technologies Sonlogger allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Sonlogger: from v6.6.6 before 6.7.4.8...

EUVD-2026-60176

Missing Authorization vulnerability in Dolusoft Software Technologies Sonlogger allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Sonlogger: from v6.6.6 before 6.7.4.8...

CVE-2026-16467 Broken Access Control in Dolusoft Software's Fortilogger

Missing Authorization vulnerability in Dolusoft Software Technologies Fortilogger allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Fortilogger: before 6.1.5.9...

CVE-2026-16467

Missing Authorization vulnerability in Dolusoft Software Technologies Fortilogger allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Fortilogger: before 6.1.5.9...

CVE-2026-16467 Broken Access Control in Dolusoft Software's Fortilogger

Missing Authorization vulnerability in Dolusoft Software Technologies Fortilogger allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Fortilogger: before 6.1.5.9...

EUVD-2026-60173

Missing Authorization vulnerability in Dolusoft Software Technologies Fortilogger allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Fortilogger: before 6.1.5.9...

CVE-2026-16467

FortiLogger versions before 6.1.5.9 have a broken access control flaw allowing unauthenticated remote attackers to access restricted functionality, exposing sensitive log data. CVSS 7.5 HIGH. Exploitation status is not provided. Upgrade to 6.1.5.9 or later. Reference: https://siberguvenlik.gov.tr...

CVE-2026-74869

stoatchat before 0.15.0 contains a missing authorization vulnerability in the Subscribe message handler that allows authenticated attackers to enumerate members and monitor profile updates of private servers without membership. Attackers can subscribe to any server's member-update topic by sendin...