CVE-2026-1961

Forman: foreman: remote code execution via command injection in websocket proxy

State: Published
Severity: 8.0 High
Published: Mar 26, 2026
Updated: Oct 20, 2026
Reserved: Feb 5, 2026

Description

A flaw was found in Foreman. A remote attacker could exploit a command injection vulnerability in Foreman's WebSocket proxy implementation. This vulnerability arises from the system's use of unsanitized hostname values from compute resource providers when constructing shell commands. By operating a malicious compute resource server, an attacker could achieve remote code execution on the Foreman server when a user accesses VM VNC console functionality. This could lead to the compromise of sensitive credentials and the entire managed infrastructure.

Scores

CVSS	Score	Vector	Source
3.1	8.0 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H	redhat
3.1	8.0 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H	redhat-SADP

Weaknesses

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Affected Products

Product	Versions
Red Hat Satellite 6.16 for RHEL 8Red Hat	0:3.12.0.14-1.el8sat and laterNot affected
Red Hat Satellite 6.16 for RHEL 9Red Hat	0:3.12.0.14-1.el9sat and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:3.14.0.14-1.el9sat and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:0.1.23-0.3.el9pc and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:1.2.0-0.1.el9pc and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:4.2.28-0.1.el9pc and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:2.22.3-1.el9pc and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:3.27.10-2.el9pc and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:1.5.1-1.el9sat and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:0.4.3-1.el9sat and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:4.16.0.14-1.el9sat and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:0.13.0-1.el9sat and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:6.17.7-1.el9sat and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:0.0.3-4.el9sat and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:3.14.0.14-1.el9sat and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:0.1.23-0.3.el9pc and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:1.2.0-0.1.el9pc and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:4.2.28-0.1.el9pc and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:2.22.3-1.el9pc and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:3.27.10-2.el9pc and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:1.5.1-1.el9sat and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:0.4.3-1.el9sat and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:4.16.0.14-1.el9sat and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:0.13.0-1.el9sat and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:6.17.7-1.el9sat and laterNot affected
Red Hat Satellite 6.17 for RHEL 9Red Hat	0:0.0.3-4.el9sat and laterNot affected
Red Hat Satellite 6.18 for RHEL 9Red Hat	0:3.16.0.12-1.el9sat and laterNot affected
Red Hat Satellite 6Red Hat

References

RHSA-2026:5968vendor-advisory
RHSA-2026:5970vendor-advisory
RHSA-2026:5971vendor-advisory
https://access.redhat.com/security/cve/CVE-2026-1961vdb-entry
RHBZ#2437036issue-tracking
http://www.openwall.com/lists/oss-security/2026/03/27/3
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1961.json

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