WITHDRAWN
CVE-2026-110926
Openssh: openssh: shared lz77 compression dictionary leaks plaintext across channels
Description

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

INFO

Published Date :

Oct. 15, 2026, 6:17 a.m.

Last Modified :

Oct. 21, 2026, 7:17 a.m.

Remotely Exploit :

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Affected Products

The following products are affected by CVE-2026-110926 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux
2 Redhat openshift_container_platform
3 Redhat enterprise_linux
4 Redhat hardened_images
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 MEDIUM 53f830b8-0a3f-465b-8143-3b8a9948e749
CVSS 3.1 MEDIUM MITRE-CVE
CVSS 3.1 MEDIUM [email protected]

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-110926 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-110926 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Oct. 21, 2026

    Action Type Old Value New Value
    Changed Description 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. Rejected reason: CVE-2026-110926 has been marked as a duplicate of CVE-2026-106582.
    Removed CVSS V3.1 Red Hat, Inc.: AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
    Removed CWE Red Hat, Inc.: CWE-203
    Added Affected Affected value removed. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/110xxx/CVE-2026-110926.json">CVE-2026-110926</a>
    Removed Reference Red Hat, Inc.: https://access.redhat.com/errata/RHSA-2026:82247
    Removed Reference Red Hat, Inc.: https://access.redhat.com/security/cve/CVE-2026-110926
    Removed Reference Red Hat, Inc.: https://bugzilla.redhat.com/show_bug.cgi?id=2553035
  • CVE Rejected by [email protected]

    Oct. 21, 2026

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 19, 2026

    Action Type Old Value New Value
    Added Affected Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/110xxx/CVE-2026-110926.json">CVE-2026-110926</a>
  • CVE Modified by [email protected]

    Oct. 15, 2026

    Action Type Old Value New Value
    Added Affected Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/110xxx/CVE-2026-110926.json">CVE-2026-110926</a>
    Added Reference https://access.redhat.com/errata/RHSA-2026:82247
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 15, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-110926', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-10-15T13:15:00.361119Z'}
  • CVE Modified by [email protected]

    Oct. 15, 2026

    Action Type Old Value New Value
    Added Affected Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/110xxx/CVE-2026-110926.json">CVE-2026-110926</a>
  • CVE Modified by [email protected]

    Oct. 15, 2026

    Action Type Old Value New Value
    Added Affected Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/110xxx/CVE-2026-110926.json">CVE-2026-110926</a>
  • New CVE Received by [email protected]

    Oct. 15, 2026

    Action Type Old Value New Value
    Added Description 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.
    Added CVSS V3.1 AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
    Added CWE CWE-203
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/110xxx/CVE-2026-110926.json">CVE-2026-110926</a>
    Added Reference https://access.redhat.com/security/cve/CVE-2026-110926
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2553035
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.