CVE-2026-1961

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.

CVSS v3 8.0 HIGH

8.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.1 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/errata/RHSA-2026:5968
https://access.redhat.com/errata/RHSA-2026:5970
https://access.redhat.com/errata/RHSA-2026:5971
https://access.redhat.com/security/cve/CVE-2026-1961
https://bugzilla.redhat.com/show_bug.cgi?id=2437036
http://www.openwall.com/lists/oss-security/2026/03/27/3
https://access.redhat.com/errata/RHSA-2026:5968
https://access.redhat.com/errata/RHSA-2026:5970
https://access.redhat.com/errata/RHSA-2026:5971
https://access.redhat.com/security/cve/CVE-2026-1961
https://bugzilla.redhat.com/show_bug.cgi?id=2437036
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1961.json

Configurations

No configuration.

History

No history.

Information

Published : 2026-03-26 13:16

Updated : 2026-07-15 02:18

NVD link : CVE-2026-1961

Mitre link : CVE-2026-1961

CVE.ORG link : CVE-2026-1961

JSON object : View

Products Affected

No product.

CWE

CWE-78

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

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"affected"}, {"cpes": ["cpe:/a:redhat:satellite_maintenance:6.17::el9", "cpe:/a:redhat:satellite_utils:6.17::el9"], "vendor": "Red Hat", "product": "Red Hat Satellite 6.17 for RHEL 9", "versions": [{"status": "unaffected", "version": "0:4.16.0.14-1.el9sat", "lessThan": "*", "versionType": "rpm"}], "packageName": "rubygem-katello", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:satellite_maintenance:6.17::el9", "cpe:/a:redhat:satellite_utils:6.17::el9"], "vendor": "Red Hat", "product": "Red Hat Satellite 6.17 for RHEL 9", "versions": [{"status": "unaffected", "version": "0:0.13.0-1.el9sat", "lessThan": "*", "versionType": "rpm"}], "packageName": "rubygem-rubyipmi", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:satellite_maintenance:6.17::el9", "cpe:/a:redhat:satellite_utils:6.17::el9"], "vendor": "Red Hat", "product": "Red Hat Satellite 6.17 for RHEL 9", "versions": [{"status": "unaffected", "version": "0:6.17.7-1.el9sat", "lessThan": "*", "versionType": "rpm"}], "packageName": "satellite", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:satellite_maintenance:6.17::el9", "cpe:/a:redhat:satellite_utils:6.17::el9"], "vendor": "Red Hat", "product": "Red Hat Satellite 6.17 for RHEL 9", "versions": [{"status": "unaffected", "version": "0:0.0.3-4.el9sat", "lessThan": "*", "versionType": "rpm"}], "packageName": "yggdrasil-worker-forwarder", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:satellite_utils:6.18::el9"], "vendor": "Red Hat", "product": "Red Hat Satellite 6.18 for RHEL 9", "versions": [{"status": "unaffected", "version": "0:3.16.0.12-1.el9sat", "lessThan": "*", "versionType": "rpm"}], "packageName": "foreman", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:satellite:6"], "vendor": "Red Hat", "product": "Red Hat Satellite 6", "packageName": "satellite-utils:el8/foreman", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}]}], "published": "2026-03-26T13:16:27.650", "references": [{"url": "https://access.redhat.com/errata/RHSA-2026:5968", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:5970", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:5971", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-1961", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2437036", "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2026/03/27/3", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://access.redhat.com/errata/RHSA-2026:5968", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:5970", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:5971", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-1961", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2437036", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1961.json", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-78"}]}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "description": [{"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Se encontr\u00f3 un fallo en Foreman. Un atacante remoto podr\u00eda explotar una vulnerabilidad de inyecci\u00f3n de comandos en la implementaci\u00f3n del proxy WebSocket de Foreman. Esta vulnerabilidad surge del uso por parte del sistema de valores de nombre de host no saneados de proveedores de recursos de c\u00f3mputo al construir comandos de shell. Al operar un servidor de recursos de c\u00f3mputo malicioso, un atacante podr\u00eda lograr la ejecuci\u00f3n remota de c\u00f3digo en el servidor de Foreman cuando un usuario accede a la funcionalidad de la consola VNC de una VM. Esto podr\u00eda llevar al compromiso de credenciales sensibles y de toda la infraestructura gestionada."}], "lastModified": "2026-07-15T02:18:21.800", "sourceIdentifier": "secalert@redhat.com"}