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MEDIUM severity

CVE-2026-58441

MEDIUM

CVE-2026-58441 is a medium-severity (CVSS 6.3) Server-Side Request Forgery (SSRF) vulnerability in code.gitea.io/gitea. O3 Security confirms whether CVE-2026-58441 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

SSRF in restore-repo via unsanitized pull_request.yml Head.CloneURL

Also known asGHSA-xmj7-xj85-hfc3GO-2026-6084
Published
Aug 13, 2026
Updated
Aug 16, 2026
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Aug 16, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

Proof-of-concept exploit code exists

  • CISA’s SSVC triage found public proof-of-concept exploit code for this CVE, though no confirmed active exploitation.

Exploitation and automatability from CISA’s SSVC triage for CVE-2026-58441.

Real-World Exposure

1 pkg affected
🐹code.gitea.io/gitea

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.

Description

SSRF in restore-repo via unsanitized pull_request.yml Head.CloneURL

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐹Gocode.gitea.io/giteaall versions1.27.0

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for code.gitea.io/gitea. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Fix

    Update code.gitea.io/gitea to 1.27.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2026-58441 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether CVE-2026-58441 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to CVE-2026-58441. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

SSRF in restore-repo via unsanitized pull_request.yml Head.CloneURL
O3 Security · Impact-Aware SCA

Is CVE-2026-58441 in your dependencies?

O3 detects CVE-2026-58441 across Go dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.