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Misconfiguration
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CVE Vulnerabilities

CVE-2026-35386

Incorrect Behavior Order

Published: Apr 02, 2026 | Modified: Jul 07, 2026
CVSS 3.x
8.1
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
3.6 LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-35386
CWEhttps://cwe.mitre.org/data/definitions/696.html

In OpenSSH before 10.3, command execution can occur via shell metacharacters in a username within a command line. This requires a scenario where the username on the command line is untrusted, and also requires a non-default configurations of % in ssh_config.

Weakness

The product performs multiple related behaviors, but the behaviors are performed in the wrong order in ways that may produce resultant weaknesses.

Affected Software

NameVendorStart VersionEnd Version
OpensshOpenbsd10.0 (including)10.3 (excluding)
Red Hat Enterprise Linux 10RedHatopenssh-0:9.9p1-14.el10_1*
Red Hat Enterprise Linux 10RedHatopenssh-0:9.9p1-23.el10_2*
Red Hat Enterprise Linux 10.0 Extended Update SupportRedHatopenssh-0:9.9p1-7.el10_0.3*
Red Hat Enterprise Linux 8RedHatopenssh-0:8.0p1-29.el8_10*
Red Hat Enterprise Linux 8RedHatopenssh-0:8.0p1-29.el8_10*
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRedHatopenssh-0:8.0p1-7.el8_4.2*
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRedHatopenssh-0:8.0p1-7.el8_4.2*
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRedHatopenssh-0:8.0p1-15.el8_6.5*
Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRedHatopenssh-0:8.0p1-15.el8_6.5*
Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRedHatopenssh-0:8.0p1-15.el8_6.5*
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRedHatopenssh-0:8.0p1-20.el8_8.4*
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRedHatopenssh-0:8.0p1-20.el8_8.4*
Red Hat Enterprise Linux 9RedHatopenssh-0:8.7p1-49.el9_7*
Red Hat Enterprise Linux 9RedHatopenssh-0:9.9p1-7.el9_8*
Red Hat Enterprise Linux 9RedHatopenssh-0:8.7p1-49.el9_7*
Red Hat Enterprise Linux 9RedHatopenssh-0:9.9p1-7.el9_8*
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRedHatopenssh-0:8.7p1-30.el9_2.11*
Red Hat Enterprise Linux 9.4 Extended Update SupportRedHatopenssh-0:8.7p1-38.el9_4.8*
Red Hat Enterprise Linux 9.6 Extended Update SupportRedHatopenssh-0:8.7p1-45.el9_6.3*
Red Hat AI Inference Server 3.2RedHatrhaiis/model-opt-cuda-rhel9:1780681984*
Red Hat Discovery 2RedHatdiscovery/discovery-server-rhel9:1778101579*
Red Hat Update Infrastructure 5RedHatrhui5/installer-rhel9:1779798165*
Red Hat Update Infrastructure 5RedHatrhui5/rhua-rhel9:1779798222*
OpensshUbuntudevel*
OpensshUbuntuesm-infra/xenial*
OpensshUbuntufips-preview/jammy*
OpensshUbuntufips-updates/jammy*
OpensshUbuntufips-updates/noble*
OpensshUbuntujammy*
OpensshUbuntunoble*
OpensshUbuntuquesting*
OpensshUbunturesolute*
Openssh-ssh1Ubuntudevel*
Openssh-ssh1Ubuntuesm-apps/bionic*
Openssh-ssh1Ubuntuesm-apps/focal*
Openssh-ssh1Ubuntuesm-apps/jammy*
Openssh-ssh1Ubuntuesm-apps/noble*
Openssh-ssh1Ubuntuesm-apps/resolute*
Openssh-ssh1Ubuntujammy*
Openssh-ssh1Ubuntunoble*
Openssh-ssh1Ubuntuquesting*
Openssh-ssh1Ubunturesolute*
Openssh-ssh1Ubuntuupstream*

References

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