CVE-2026-35388
2.5
LOW
CVSS 3.1
EPSS 0.01%
Description
OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.
How to fix CVE-2026-35388
To remediate CVE-2026-35388, upgrade the affected package to a fixed version below.
- Debian/openssh—upgrade to 1:8.4p1-5+deb11u7 or later
Is CVE-2026-35388 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:8.4p1-5+deb11u7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW2.5 | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N |