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CVE-2026-88647

6.5 medium SSVC exploitation: none Published
NVD · CVE.org

A hostname verification bypass in GnuTLS v3.8.13 allows attackers to circumvent the Common Name fallback mechanism and eavesdrop on communications via a crafted certificate.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 3

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-19 15:16
  2. CVSS9.1 (v3.1, CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N) → 6.5 (v3.1, CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N)NVD modified 2026-10-19 16:17
  3. First seenCVSS 9.1NVD modified 2026-10-10 03:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 2