Description
Incomplete X.509 implementation in GnuTLS v3.8.13 allows attackers controlling a subordinate Certificate Authority to bypass cross-domain PKI restrictions and issue unauthorized certificates.
Published: 2026-10-08
Score: n/a
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 08 Oct 2026 22:00:00 +0000

Type Values Removed Values Added
Title Cross‑Domain PKI Bypass via Incomplete X.509 Implementation
Weaknesses CWE-284
CWE-640

Thu, 08 Oct 2026 19:15:00 +0000

Type Values Removed Values Added
Description Incomplete X.509 implementation in GnuTLS v3.8.13 allows attackers controlling a subordinate Certificate Authority to bypass cross-domain PKI restrictions and issue unauthorized certificates.
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-10-08T18:53:34.175Z

Reserved: 2026-09-10T00:00:00.000Z

Link: CVE-2026-88648

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-08T19:20:52.703

Modified: 2026-10-08T21:33:42.423

Link: CVE-2026-88648

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-08T21:45:16Z

Weaknesses
  • CWE-284

    Improper Access Control

  • CWE-640

    Weak Password Recovery Mechanism for Forgotten Password