Bug 2454500 (CVE-2026-35388) - CVE-2026-35388 OpenSSH: OpenSSH: Low integrity impact from unconfirmed proxy-mode multiplexing sessions
Summary: CVE-2026-35388 OpenSSH: OpenSSH: Low integrity impact from unconfirmed proxy-...
Keywords:
Status: NEW
Alias: CVE-2026-35388
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2454951
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-02 18:02 UTC by OSIDB Bzimport
Modified: 2026-05-11 20:09 UTC (History)
5 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:12389 0 None None None 2026-04-30 16:30:23 UTC
Red Hat Product Errata RHSA-2026:13380 0 None None None 2026-05-04 09:32:23 UTC
Red Hat Product Errata RHSA-2026:13381 0 None None None 2026-05-04 09:42:46 UTC
Red Hat Product Errata RHSA-2026:13383 0 None None None 2026-05-04 09:46:06 UTC
Red Hat Product Errata RHSA-2026:16059 0 None None None 2026-05-11 20:09:34 UTC

Description OSIDB Bzimport 2026-04-02 18:02:25 UTC 
OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.
Comment 2 errata-xmlrpc 2026-04-30 16:30:22 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:12389 https://access.redhat.com/errata/RHSA-2026:12389
Comment 3 errata-xmlrpc 2026-05-04 09:32:22 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:13380 https://access.redhat.com/errata/RHSA-2026:13380
Comment 4 errata-xmlrpc 2026-05-04 09:42:45 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:13381 https://access.redhat.com/errata/RHSA-2026:13381
Comment 5 errata-xmlrpc 2026-05-04 09:46:05 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:13383 https://access.redhat.com/errata/RHSA-2026:13383
Comment 6 errata-xmlrpc 2026-05-11 20:09:32 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:16059 https://access.redhat.com/errata/RHSA-2026:16059
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