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Vulnerability record · CVE-2026-58426 · published 3 July 2026
CVE-2026-58426: Improper verification of cryptographic signature vulnerability
Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write
9.6 CVSS 3.1 Critical EPSS 0.30% · top 79.5% CWE-347 · Improper verification of cryptographic signature Deferred
9.6CVSS 3.1 base score
0.30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
6 Jul 2026Last modified by NVD
Description
Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
References
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Same products first, then exploited flaws of the same weakness class.
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Source: NIST National Vulnerability Database (record CVE-2026-58426), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.
