CVE-2026-8286EPSS p21.6%

CVE-2026-8286CVE-2026-8286

haxx / curl

Description

A vulnerability exists where a new transfer that uses STARTTLS to upgrade the connection might reuse an existing live connection even though the TLS configuration mismatches so it should not.

Scoring

CVSS 8.1 ()
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS0.31% probability of exploitation · percentile 21.6% · 2026-10-05T12:00:23Z
Last modified2026-09-15
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.