CVE-2026-54787: sigstore-go fails to check signature timestamps against a signing key's validity period

Overview

Severity
Low (CVSS 3.1)
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Exploit Status
Not Exploited
Patch Tuesday
2026-Aug
Released
2026-08-07
EPSS Score
0.09% (percentile: 0.5%)

Affected Products (1)

Open Source Software

  • azl3 gh 2.62.0-20 on Azure Linux 3.0

Revision History

  • 2026-08-07: Information published.