CVE-2026-58426CWE-347

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

Critical · published July 3, 2026

CVSS v3.1
9.6
EPSS
0%
Percentile
21.7
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00301 · 21.7th percentile
Weakness
CWE-347 · Improper Verification of Cryptographic Signature
Published
2026-07-03T20:54Z
EPSS history
Timeline
  • 03 JUL 20:54Z
    Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write
    cvelistv5