PT-2026-55658 · Gitea · Gitea

Kamil-Sawicki · Published 2026-07-03 · Updated 2026-07-03 · CVE-2026-58426

Positive Technologies (AI Summary)

CVSS v3.1

9.6

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Gitea (affected versions not specified)

Description An HMAC ambiguity in Gitea Actions Artifacts V4 signed URLs allows for cross-repository artifact reading and cross-task upload-state writing. HMAC (Hash-based Message Authentication Code) is a mechanism for verifying both the data integrity and the authenticity of a message.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-347

Related Identifiers

CVE-2026-58426

Affected Products

Gitea

References · 6

• https://github.com/go-gitea/gitea/pull/37707 · Patch
• https://github.com/go-gitea/gitea/security/advisories/GHSA-hg5r-vq93-9fv6 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-58426 · Security Note
• https://github.com/go-gitea/gitea/releases/tag/v1.26.2 · Note
• https://twitter.com/CVEnew/status/2073191216200437938 · Twitter Post
• https://blog.gitea.com/release-of-1.26.2 · Note