Bug 2454506 (CVE-2026-35386)
| Summary: | CVE-2026-35386 OpenSSH: OpenSSH: Arbitrary command execution via shell metacharacters in username | ||
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| Product: | [Other] Security Response | Reporter: | OSIDB Bzimport <bzimport> |
| Component: | vulnerability | Assignee: | Product Security DevOps Team <prodsec-dev> |
| Status: | NEW --- | QA Contact: | |
| Severity: | low | Docs Contact: | |
| Priority: | low | ||
| Version: | unspecified | CC: | kshier, rhel-process-autobot, stcannon, teagle, timothy.a.meader, watson-tool-maintainers, yguenane |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | --- | |
| Doc Text: |
A flaw was found in OpenSSH. This vulnerability allows a remote attacker to achieve arbitrary command execution by injecting shell metacharacters into a username provided on the command line. Exploitation requires an untrusted username and a non-default configuration of the '%' character in `ssh_config`.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | Type: | --- | |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 2454961 | ||
| Bug Blocks: | |||
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Description
OSIDB Bzimport
2026-04-02 18:02:47 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 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 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 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 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 This issue has been addressed in the following products: Red Hat Enterprise Linux 10 Via RHSA-2026:19069 https://access.redhat.com/errata/RHSA-2026:19069 This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2026:19219 https://access.redhat.com/errata/RHSA-2026:19219 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Red Hat Enterprise Linux 8.8 Telecommunications Update Service Via RHSA-2026:21298 https://access.redhat.com/errata/RHSA-2026:21298 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Red Hat Enterprise Linux 8.6 Telecommunications Update Service Via RHSA-2026:21398 https://access.redhat.com/errata/RHSA-2026:21398 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Via RHSA-2026:22329 https://access.redhat.com/errata/RHSA-2026:22329 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Via RHSA-2026:22648 https://access.redhat.com/errata/RHSA-2026:22648 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.4 Extended Update Support Via RHSA-2026:22564 https://access.redhat.com/errata/RHSA-2026:22564 |