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Vendor Workaround
Do not place an untrusted username on the ssh command line when ProxyCommand or Match exec expands %u. Avoid expanding %u into a shell command.
Tracking
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Thu, 15 Oct 2026 19:45:00 +0000
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Thu, 15 Oct 2026 15:30:00 +0000
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ssvc
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Thu, 15 Oct 2026 13:30:00 +0000
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threat_severity
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threat_severity
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Thu, 15 Oct 2026 05:45:00 +0000
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| Description | A flaw was found in OpenSSH. A username entered on the ssh command line can still contain '$' or a non-trailing backslash. When a configuration expands %u inside ProxyCommand or Match exec, those characters are passed into the shell. | |
| Title | Openssh: openssh: '$' and '\' in a command-line username expand through %u | |
| First Time appeared |
Redhat
Redhat enterprise Linux Redhat hummingbird Redhat openshift |
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| Weaknesses | CWE-78 | |
| CPEs | cpe:/a:redhat:hummingbird:1 cpe:/a:redhat:openshift:4 cpe:/o:redhat:enterprise_linux:10 cpe:/o:redhat:enterprise_linux:6 cpe:/o:redhat:enterprise_linux:7 cpe:/o:redhat:enterprise_linux:8 cpe:/o:redhat:enterprise_linux:9 |
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| Vendors & Products |
Redhat
Redhat enterprise Linux Redhat hummingbird Redhat openshift |
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cvssV3_1
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-10-15T19:30:32.579Z
Reserved: 2026-10-15T04:33:31.442Z
Link: CVE-2026-110925
Updated: 2026-10-15T15:00:29.767Z
Status : Awaiting Analysis
Published: 2026-10-15T06:17:01.243
Modified: 2026-10-15T20:17:09.460
Link: CVE-2026-110925
OpenCVE Enrichment
Updated: 2026-10-15T12:00:18Z