CVE-2026-58426

CRITICAL 9.6

Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write

CVSS Score

9.6

EPSS Score

0.0%

EPSS Percentile

0th

Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write

CWE	CWE-347
Vendor	gitea
Product	gitea open source git server
Published	Jul 3, 2026

Stay Ahead of the Next One

Get instant alerts for gitea gitea open source git server

Be the first to know when new critical vulnerabilities affecting gitea gitea open source git server are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

Gitea / Gitea Open Source Git Server

1.22.0 ≤ 1.26.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/go-gitea/gitea/security/advisories/GHSA-hg5r-vq93-9fv6 github.com: https://github.com/go-gitea/gitea/pull/37707 github.com: https://github.com/go-gitea/gitea/releases/tag/v1.26.2 blog.gitea.com: https://blog.gitea.com/release-of-1.26.2/

Credits

🔍 kamil-sawicki