CVE-2026-58426

FAUCET Score

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

First published: Jul 3, 2026Last modified: Jul 3, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
Gitea	Gitea Open Source Git Server	>= 1.22.0, <= 1.26.1CNA affecteddefault unaffected

CVSS Data

CVSS version used by this source: 3.1

9.6CRITICAL

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 Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

Exploitability Score

3.1

Impact Score

5.8

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.19%

Probability of exploitation in next 30 days

EPSS Percentile

8.7%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0019 is in the 0th percentile among its peer group of 1,128 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 1.0 Bluesky, 0.5 Mastodon, and 1.6 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

gopatch availablevia ghsa

Product: code.gitea.io/giteaFixed in: 1.26.2

Vendor Advisories (1)

goGHSA-hg5r-vq93-9fv6critical

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

Jul 21, 2026

References

blog.gitea.com / release-of-1.26.2

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

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

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