CVE-2026-110926

A flaw was found in OpenSSH. When compression is negotiated, channels on the same connection...

5.3 MediumRejected

CVE-2026-110926 has been marked as a duplicate of CVE-2026-106582.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

What each source reports

GitHub Advisories Score usedGHSA-3j57-3pc4-v67v 5.3

A flaw was found in OpenSSH. When compression is negotiated, channels on the same connection...

A flaw was found in OpenSSH. When compression is negotiated, channels on the same connection share one LZ77 dictionary. A peer who can write on one channel can recover plaintext from another channel by chosen-plaintext lengths.

Record: GHSA-3j57-3pc4-v67v
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-203
Updated: 2026-11-02

CVE List No score

CVE-2026-110926 has been marked as a duplicate of CVE-2026-106582.

Record: CVE-2026-110926
Updated: 2026-11-02

EUVDEUVD-2026-101837 5.3

CVE-2026-110926 has been marked as a duplicate of CVE-2026-106582.

Record: EUVD-2026-101837
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

NVD No score

Rejected reason: CVE-2026-110926 has been marked as a duplicate of CVE-2026-106582.

Record: CVE-2026-110926
Updated: 2026-11-02

OSVRHSA-2026:82247 6.5

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Record: RHSA-2026:82247
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2026-110926 5.3

Rejected reason: CVE-2026-110926 has been marked as a duplicate of CVE-2026-106582.

Record: UBUNTU-CVE-2026-110926
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

Affected packages

Affected packages
Package	Affected	Fixed
`openssh` Red Hat:hummingbird:1 From an advisory covering 11 CVEs	before 0:10.5p1-1.2.hum1	0:10.5p1-1.2.hum1
`openssh-askpass` Red Hat:hummingbird:1 From an advisory covering 11 CVEs	before 0:10.5p1-1.2.hum1	0:10.5p1-1.2.hum1
`openssh-clients` Red Hat:hummingbird:1 From an advisory covering 11 CVEs	before 0:10.5p1-1.2.hum1	0:10.5p1-1.2.hum1
`openssh-keycat` Red Hat:hummingbird:1 From an advisory covering 11 CVEs	before 0:10.5p1-1.2.hum1	0:10.5p1-1.2.hum1
`openssh-keysign` Red Hat:hummingbird:1 From an advisory covering 11 CVEs	before 0:10.5p1-1.2.hum1	0:10.5p1-1.2.hum1
`openssh-server` Red Hat:hummingbird:1 From an advisory covering 11 CVEs	before 0:10.5p1-1.2.hum1	0:10.5p1-1.2.hum1
`openssh-sk-dummy` Red Hat:hummingbird:1 From an advisory covering 11 CVEs	before 0:10.5p1-1.2.hum1	0:10.5p1-1.2.hum1
`openssh-ssh1` Ubuntu:18.04:LTS	All versions, plus listed versions 1:7.5p1-81:7.5p1-91:7.5p1-9build11:7.5p1-10	None known
`openssh-ssh1` Ubuntu:20.04:LTS	All versions, plus listed versions 1:7.5p1-11build1	None known
`openssh-ssh1` Ubuntu:22.04:LTS	All versions, plus listed versions 1:7.5p1-121:7.5p1-12build11:7.5p1-13	None known
`openssh-ssh1` Ubuntu:24.04:LTS	All versions, plus listed versions 1:7.5p1-141:7.5p1-151:7.5p1-15build11:7.5p1-16	None known
`openssh-ssh1` Ubuntu:26.10	All versions, plus listed versions 1:7.5p1-181:7.5p1-18ubuntu11:7.5p1-18ubuntu2	None known
`openssh-ssh1` Ubuntu:26.04:LTS	All versions, plus listed versions 1:7.5p1-171:7.5p1-18	None known

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-110926 has been rejected by its source and should not be treated as a live vulnerability, published October 14, 2026.

References

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