CVE-2026-58426

critical

Description

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

References

https://github.com/go-gitea/gitea/security/advisories/GHSA-hg5r-vq93-9fv6

https://github.com/go-gitea/gitea/releases/tag/v1.26.2

https://github.com/go-gitea/gitea/pull/37707

https://blog.gitea.com/release-of-1.26.2/

Details

Source: Mitre, NVD

Published: 2026-07-03

Updated: 2026-07-03

Risk Information

CVSS v2

Base Score: 8.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:N

Severity: High

CVSS v3

Base Score: 9.6

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

Severity: Critical