What’s Vulnerable › Vulnerabilities

CVE-2026-58426: Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write

• Severity: critical (CVSS 9.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-03 · updated 2026-10-25
• Weakness: CWE-347

Description

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

Affected products

• Gitea Open Source Git Server: from 1.22.0 through 1.26.1

References

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

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