CVE-2026-88647EPSS p10.6%

CVE-2026-88647CVE-2026-88647

Description

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.

Scoring

CVSS 9.1 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS0.21% probability of exploitation · percentile 10.6% · 2026-10-10T12:00:23Z
Last modified2026-10-10
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.