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OpenSSH: OpenSSH: Arbitrary command execution via shell metacharacters in username

🗓️ 02 Jun 2026 22:15:24Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 13 Views

OpenSSH flaw enables remote command execution via username injection with shell metacharacters when the percent character is non-default in ssh configuration.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in OpenSSH affect AIX
28 May 202621:05
–ibm
IBM Security Bulletins		Security Bulletin: IBM i is Affected By Various Vulnerabilities in OpenSSH [CVE-2026-35385, CVE-2026-35386, CVE-2026-35387, CVE-2026-35388]
8 Jun 202620:09
–ibm
IBM Security Bulletins		Security Bulletin: IBM QRadar SIEM is vulnerable to using components with known vulnerabilities
25 May 202613:53
–ibm
ATTACKERKB		CVE-2026-35386
2 Apr 202616:44
–attackerkb
Tenable Nessus		Amazon Linux 2023 : openssh, openssh-clients, openssh-keycat (ALAS2023-2026-1745)
27 May 202600:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0102: openssh (ALINUX3-SA-2026:0102)
18 May 202600:00
–nessus
Tenable Nessus		AlmaLinux 10 : openssh (ALSA-2026:13380)
4 May 202600:00
–nessus
Tenable Nessus		AlmaLinux 9 : openssh (ALSA-2026:13381)
5 May 202600:00
–nessus
Tenable Nessus		AlmaLinux 8 : openssh (ALSA-2026:13383)
4 May 202600:00
–nessus
Tenable Nessus		Debian dla-4584 : openssh-client - security update
15 May 202600:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.2aarch64openssh8.7p1-30.el9_2.11openssh-8.7p1-30.el9_2.11.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64leopenssh8.7p1-30.el9_2.11openssh-8.7p1-30.el9_2.11.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xopenssh8.7p1-30.el9_2.11openssh-8.7p1-30.el9_2.11.s390x.rpm
Red Hat Enterprise Linux9.2x86_64openssh8.7p1-30.el9_2.11openssh-8.7p1-30.el9_2.11.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64openssh-askpass8.7p1-30.el9_2.11openssh-askpass-8.7p1-30.el9_2.11.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64leopenssh-askpass8.7p1-30.el9_2.11openssh-askpass-8.7p1-30.el9_2.11.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xopenssh-askpass8.7p1-30.el9_2.11openssh-askpass-8.7p1-30.el9_2.11.s390x.rpm
Red Hat Enterprise Linux9.2x86_64openssh-askpass8.7p1-30.el9_2.11openssh-askpass-8.7p1-30.el9_2.11.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64openssh-askpass-debuginfo8.7p1-30.el9_2.11openssh-askpass-debuginfo-8.7p1-30.el9_2.11.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64leopenssh-askpass-debuginfo8.7p1-30.el9_2.11openssh-askpass-debuginfo-8.7p1-30.el9_2.11.ppc64le.rpm
Rows per page

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09 Jul 2026 17:55Current
6Medium risk
Vulners AI Score6
CVSS 3.13.6 - 8.1
EPSS0.00247
SSVC
CWE-78
OpenSSHremote command executionshell metacharactersusername injectionpercent characterssh configurationnon-default
13