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.
Problem types
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Product status
0:3.12.0.14-1.el8sat (rpm) before *
0:3.12.0.14-1.el9sat (rpm) before *
0:3.14.0.14-1.el9sat (rpm) before *
0:0.1.23-0.3.el9pc (rpm) before *
0:1.2.0-0.1.el9pc (rpm) before *
0:4.2.28-0.1.el9pc (rpm) before *
0:2.22.3-1.el9pc (rpm) before *
0:3.27.10-2.el9pc (rpm) before *
0:1.5.1-1.el9sat (rpm) before *
0:0.4.3-1.el9sat (rpm) before *
0:4.16.0.14-1.el9sat (rpm) before *
0:0.13.0-1.el9sat (rpm) before *
0:6.17.7-1.el9sat (rpm) before *
0:0.0.3-4.el9sat (rpm) before *
0:3.14.0.14-1.el9sat (rpm) before *
0:0.1.23-0.3.el9pc (rpm) before *
0:1.2.0-0.1.el9pc (rpm) before *
0:4.2.28-0.1.el9pc (rpm) before *
0:2.22.3-1.el9pc (rpm) before *
0:3.27.10-2.el9pc (rpm) before *
0:1.5.1-1.el9sat (rpm) before *
0:0.4.3-1.el9sat (rpm) before *
0:4.16.0.14-1.el9sat (rpm) before *
0:0.13.0-1.el9sat (rpm) before *
0:6.17.7-1.el9sat (rpm) before *
0:0.0.3-4.el9sat (rpm) before *
0:3.16.0.12-1.el9sat (rpm) before *
Timeline
| 2026-02-05: | Reported to Red Hat. |
| 2026-03-26: | Made public. |
Credits
Red Hat would like to thank Houssam Sahli for reporting this issue.
References
www.openwall.com/lists/oss-security/2026/03/27/3
access.redhat.com/errata/RHSA-2026:5968 (RHSA-2026:5968)
access.redhat.com/errata/RHSA-2026:5970 (RHSA-2026:5970)
access.redhat.com/errata/RHSA-2026:5971 (RHSA-2026:5971)
access.redhat.com/security/cve/CVE-2026-1961
bugzilla.redhat.com/show_bug.cgi?id=2437036 (RHBZ#2437036)