# RHSA-2026:12389: openssh security update

RHSA-2026:12389, released April 2, 2026, fixes 5 CVEs in openssh (version 9.9p1-7.el10_0.3). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-12389
- Platform: Linux
- Released: Apr 2, 2026
- Priority: High (Closes CVE-2026-35385, high severity)
- CVEs: 5, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:12389

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [openssh](https://patchblox.com/security/data/product/linux/openssh.md) | RHEL 10 | 9.9p1-7.el10_0.3 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-35385](https://patchblox.com/security/data/cve/CVE-2026-35385.md) | High | openssh-client: In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users... | 8.1 | 0.0057 |  |
| [CVE-2026-35386](https://patchblox.com/security/data/cve/CVE-2026-35386.md) | High | openssh: In OpenSSH before 10.3, command execution can occur via shell metacharacters in a username within a command line | 8.1 | 0.0032 |  |
| [CVE-2026-35387](https://patchblox.com/security/data/cve/CVE-2026-35387.md) | High | openssh-client: OpenSSH before 10.3 can use unintended ECDSA algorithms | 7.5 | 0.0024 |  |
| [CVE-2026-35414](https://patchblox.com/security/data/cve/CVE-2026-35414.md) | High | OpenSSH before 10.3 mishandles the authorized_keys principals option in uncommon scenarios involving a principals list in conjunction with a Certificate Authority that makes certain use of comma characters. | 8.1 | 0.0022 |  |
| [CVE-2026-35388](https://patchblox.com/security/data/cve/CVE-2026-35388.md) | High | OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions. | 7.5 | 0.0013 |  |

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Data as of 2026-11-07T18:46:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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