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CVE-2026-24122 Cosign Certificate Chain Expiry Validation Issue Allows Issuing Certificate Expiry to Be Overlooked

🗓️ 19 Feb 2026 22:27:08Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 38 Views

Cosign prior to 3.0.5 validates issuing certificate expiry incorrectly during verification, fixed in 3.0.5.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2026-24122
19 Feb 202622:27
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CVE-2026-24122 vulnerabilities
16 Jun 202620:22
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circl
Circl
CVE-2026-24122
19 Feb 202622:40
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cnnvd
CNNVD
cosign 信任管理问题漏洞
19 Feb 202600:00
cnnvd
cve
CVE
CVE-2026-24122
19 Feb 202622:27
cve
debiancve
Debian CVE
CVE-2026-24122
19 Feb 202622:27
debiancve
github
Github Security Blog
Cosign considered signatures valid with expired intermediate certificates when transparency log verification is skipped
19 Feb 202622:09
github
nvd
NVD
CVE-2026-24122
19 Feb 202623:16
nvd
nessus
Tenable Nessus
openSUSE 16 Security Update : hauler (openSUSE-SU-2026:20662-1)
5 May 202600:00
nessus
nessus
Tenable Nessus
openSUSE 16 Security Update : trivy (openSUSE-SU-2026:21801-1)
11 Sep 202600:00
nessus
Rows per page
[
  {
    "vendor": "sigstore",
    "product": "cosign",
    "versions": [
      {
        "version": "< 3.0.5",
        "status": "affected"
      }
    ]
  }
]

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