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EUVD-2026-330310

fkie_cve-2026-52808

Gogs is an open source self-hosted Git service. Prior to 0.14.3, three API endpoints — PATCH /api/v1/repos/:owner/:repo/issue-tracker, PATCH /api/v1/repos/:owner/:repo/wiki, and POST /api/v1/repos/:owner/:repo/mirror-sync — are gated by reqRepoWriter() rather than reqRepoAdmin(). The equivalent operations in the web UI sit behind reqRepoAdmin, which requires AccessMode >= AccessModeAdmin. A write-level collaborator (who has AccessMode == AccessModeWrite < AccessModeAdmin) can therefore call these API endpoints directly to disable the native issue tracker or wiki, inject attacker-controlled external tracker/wiki URLs that redirect all repository visitors, or trigger mirror sync — none of which they are authorized to do. This vulnerability is fixed in 0.14.3.

GHSA-268j-37xf-pp52 — Gogs's write-level collaborators can mutate admin-only repository settings via API

Affected: Go: gogs.io/gogs

## Summary

Three API endpoints — `PATCH /api/v1/repos/:owner/:repo/issue-tracker`, `PATCH /api/v1/repos/:owner/:repo/wiki`, and `POST /api/v1/repos/:owner/:repo/mirror-sync` — are gated by `reqRepoWriter()` rather than `reqRepoAdmin()`. The equivalent operations in the web UI sit behind `reqRepoAdmin`, which requires `AccessMode >= AccessModeAdmin`. A write-level collaborator (who has `AccessMode == AccessModeWrite < AccessModeAdmin`) can therefore call these API endpoints directly to disable the native issue tracker or wiki, inject attacker-controlled external tracker/wiki URLs that redirect all repository visitors, or trigger mirror sync — none of which they are authorized to do.

## Severity

**High** (CVSS 3.1: 7.1)

`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L`

- **Attack Vector:** Network — the API endpoints are reachable over HTTP/S. - **Attack Complexity:** Low — a single API call is sufficient; no chaining or race condition required. - **Privileges Required:** Low — only write-level collaborator access to the targeted repository is needed. The attacker does not need repo-admin or site-admin privileges. - **User Interaction:** None — the attacker acts unilaterally. - **Scope:** Unchanged — the impact is contained to the targeted repository's settings and its visitors. - **Confidentiality Impact:** None — the attacker does not read confidential data directly. - **Integrity Impact:** High — the attacker permanently mutates repository configuration, including injecti…

WID-SEC-W-2026-2013 — Gogs: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Gogs ausnutzen, um erweiterte Berechtigungen zu erlangen, beliebigen Code auszuführen – sogar mit erweiterten Berechtigungen, was zur vollständigen Kontrolle über das System führen kann –, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren, Cross-Site-Scripting-Angriffe durchzuführen, Benutzer auf bösartige Websites umzuleiten oder einen Denial-of-Service-Zustand zu verursachen.