PT-2026-29835 · Openbsd+4 · Openssh+4

Rabbit · CVE-2026-35388 · Published 2026-04-02 · Updated 2026-06-24

Positive Technologies (AI Summary)

CVSS v3.1

2.5

Low

Base vector

AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions OpenSSH versions prior to 10.3

Description OpenSSH versions before 10.3 do not confirm connection multiplexing in proxy-mode multiplexing sessions.

Recommendations Update to version 10.3 or later.

Exploit

Fix

DoS

Weakness Enumeration

CWE-420

Related Identifiers

ALSA-2026:13380

ALSA-2026:13381

ALSA-2026:13383

ALSA-2026:19069

ALSA-2026:19219

CVE-2026-35388

ECHO-15A9-2872-255F

JLSEC-2026-77

OESA-2026-1963

OPENSUSE-SU-2026:10937-1

OPENSUSE-SU-2026:21044-1

RHSA-2026:12389

RHSA-2026:13380

RHSA-2026:13381

RHSA-2026:13383

RHSA-2026:19069

RHSA-2026:19219

SUSE-SU-2026:22067-1

SUSE-SU-2026:22268-1

SUSE-SU-2026:22352-1

SUSE-SU-2026:2371-1

SUSE-SU-2026:2375-1

SUSE-SU-2026:2430-1

USN-8222-1

Affected Products

Ibm Aix

Linuxmint

Openssh

Rocky Linux

Ubuntu

References · 85

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35388.json · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2026:22352-1 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-1963 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:22067-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-35385 · Vendor Advisory
• https://errata.rockylinux.org/RLSA-2026:13381 · Vendor Advisory
• https://errata.rockylinux.org/RLSA-2026:19219 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-35388 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-35386 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:2375-1 · Vendor Advisory
• https://errata.almalinux.org/10/ALSA-2026-19069.html · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2026-13380.html · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2026:13381 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2026-35388 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:2371-1 · Vendor Advisory