{ "document": { "aggregate_severity": { "text": "Critical" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.", "title": "Terms of Use" }, { "category": "details", "text": "CVE-2026-4631: Fix SSH command-line argument injection in cockpit-ws / beiboot (Critical RCE)", "title": "Details" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "https://cve.tuxcare.com/els/releases/CLSA-2026:1777452220", "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1777452220" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/tuxcare9.6esu/advisories/2026/clsa-2026_1777452220.json" } ], "tracking": { "current_release_date": "2026-04-29T08:44:22Z", "generator": { "date": "2026-04-29T08:44:22Z", "engine": { "name": "pyCSAF" } }, "id": "CLSA-2026:1777452220", "initial_release_date": "2026-04-29T08:44:22Z", "revision_history": [ { "date": "2026-04-29T08:44:22Z", "number": "1", "summary": "Initial version" } ], "status": "final", "version": "1" }, "title": "cockpit: Fix of CVE-2026-4631" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "AlmaLinux 9.6", "product": { "name": "AlmaLinux 9.6", "product_id": "AlmaLinux-9.6", "product_identification_helper": { "cpe": "cpe:2.3:o:almalinux:almalinux:9.6:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "AlmaLinux" } ], "category": "vendor", "name": "AlmaLinux OS Foundation" }, { "branches": [ { "branches": [ { "category": "product_name", "name": "Rocky Linux 9.6", "product": { "name": "Rocky Linux 9.6", "product_id": "Rocky Linux-9.6", "product_identification_helper": { "cpe": "cpe:2.3:o:resf:rocky_linux:9.6:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "Rocky Linux" } ], "category": "vendor", "name": "Rocky Linux" }, { "branches": [ { "branches": [ { "category": "product_version", "name": "cockpit-storaged-0:334.2-1.el9_6.tuxcare.els1.noarch", "product": { "name": "cockpit-storaged-0:334.2-1.el9_6.tuxcare.els1.noarch", "product_id": "cockpit-storaged-0:334.2-1.el9_6.tuxcare.els1.noarch", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/cockpit-storaged@334.2-1.el9_6.tuxcare.els1?arch=noarch" } } }, { "category": "product_version", "name": "cockpit-system-0:334.2-1.el9_6.tuxcare.els1.noarch", "product": { "name": "cockpit-system-0:334.2-1.el9_6.tuxcare.els1.noarch", "product_id": "cockpit-system-0:334.2-1.el9_6.tuxcare.els1.noarch", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/cockpit-system@334.2-1.el9_6.tuxcare.els1?arch=noarch" } } }, { "category": "product_version", "name": "cockpit-doc-0:334.2-1.el9_6.tuxcare.els1.noarch", "product": { "name": "cockpit-doc-0:334.2-1.el9_6.tuxcare.els1.noarch", "product_id": "cockpit-doc-0:334.2-1.el9_6.tuxcare.els1.noarch", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/cockpit-doc@334.2-1.el9_6.tuxcare.els1?arch=noarch" } } }, { "category": "product_version", "name": "cockpit-packagekit-0:334.2-1.el9_6.tuxcare.els1.noarch", "product": { "name": "cockpit-packagekit-0:334.2-1.el9_6.tuxcare.els1.noarch", "product_id": "cockpit-packagekit-0:334.2-1.el9_6.tuxcare.els1.noarch", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/cockpit-packagekit@334.2-1.el9_6.tuxcare.els1?arch=noarch" } } } ], "category": "architecture", "name": "noarch" }, { "branches": [ { "category": "product_version", "name": "cockpit-0:334.2-1.el9_6.tuxcare.els1.x86_64", "product": { "name": "cockpit-0:334.2-1.el9_6.tuxcare.els1.x86_64", "product_id": "cockpit-0:334.2-1.el9_6.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/cockpit@334.2-1.el9_6.tuxcare.els1?arch=x86_64" } } }, { "category": "product_version", "name": "cockpit-bridge-0:334.2-1.el9_6.tuxcare.els1.x86_64", "product": { "name": "cockpit-bridge-0:334.2-1.el9_6.tuxcare.els1.x86_64", "product_id": "cockpit-bridge-0:334.2-1.el9_6.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/cockpit-bridge@334.2-1.el9_6.tuxcare.els1?arch=x86_64" } } }, { "category": "product_version", "name": "cockpit-ws-0:334.2-1.el9_6.tuxcare.els1.x86_64", "product": { "name": "cockpit-ws-0:334.2-1.el9_6.tuxcare.els1.x86_64", "product_id": "cockpit-ws-0:334.2-1.el9_6.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/cockpit-ws@334.2-1.el9_6.tuxcare.els1?arch=x86_64" } } } ], "category": "architecture", "name": "x86_64" } ], "category": "vendor", "name": "TuxCare" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "cockpit-storaged-0:334.2-1.el9_6.tuxcare.els1.noarch as a component of AlmaLinux 9.6", "product_id": "AlmaLinux-9.6:cockpit-storaged-0:334.2-1.el9_6.tuxcare.els1.noarch" }, "product_reference": "cockpit-storaged-0:334.2-1.el9_6.tuxcare.els1.noarch", "relates_to_product_reference": "AlmaLinux-9.6" }, { "category": "default_component_of", "full_product_name": { "name": "cockpit-0:334.2-1.el9_6.tuxcare.els1.x86_64 as a component of AlmaLinux 9.6", "product_id": "AlmaLinux-9.6:cockpit-0:334.2-1.el9_6.tuxcare.els1.x86_64" }, "product_reference": "cockpit-0:334.2-1.el9_6.tuxcare.els1.x86_64", "relates_to_product_reference": "AlmaLinux-9.6" }, { "category": "default_component_of", "full_product_name": { "name": "cockpit-bridge-0:334.2-1.el9_6.tuxcare.els1.x86_64 as a component of AlmaLinux 9.6", "product_id": "AlmaLinux-9.6:cockpit-bridge-0:334.2-1.el9_6.tuxcare.els1.x86_64" }, "product_reference": "cockpit-bridge-0:334.2-1.el9_6.tuxcare.els1.x86_64", "relates_to_product_reference": "AlmaLinux-9.6" }, { "category": "default_component_of", "full_product_name": { "name": "cockpit-system-0:334.2-1.el9_6.tuxcare.els1.noarch as a component of AlmaLinux 9.6", "product_id": "AlmaLinux-9.6:cockpit-system-0:334.2-1.el9_6.tuxcare.els1.noarch" }, "product_reference": "cockpit-system-0:334.2-1.el9_6.tuxcare.els1.noarch", "relates_to_product_reference": "AlmaLinux-9.6" }, { "category": "default_component_of", "full_product_name": { "name": "cockpit-doc-0:334.2-1.el9_6.tuxcare.els1.noarch as a component of AlmaLinux 9.6", "product_id": "AlmaLinux-9.6:cockpit-doc-0:334.2-1.el9_6.tuxcare.els1.noarch" }, "product_reference": "cockpit-doc-0:334.2-1.el9_6.tuxcare.els1.noarch", "relates_to_product_reference": "AlmaLinux-9.6" }, { "category": "default_component_of", "full_product_name": { "name": "cockpit-packagekit-0:334.2-1.el9_6.tuxcare.els1.noarch as a component of AlmaLinux 9.6", "product_id": "AlmaLinux-9.6:cockpit-packagekit-0:334.2-1.el9_6.tuxcare.els1.noarch" }, "product_reference": "cockpit-packagekit-0:334.2-1.el9_6.tuxcare.els1.noarch", "relates_to_product_reference": "AlmaLinux-9.6" }, { "category": "default_component_of", "full_product_name": { "name": "cockpit-ws-0:334.2-1.el9_6.tuxcare.els1.x86_64 as a component of AlmaLinux 9.6", "product_id": "AlmaLinux-9.6:cockpit-ws-0:334.2-1.el9_6.tuxcare.els1.x86_64" }, "product_reference": "cockpit-ws-0:334.2-1.el9_6.tuxcare.els1.x86_64", "relates_to_product_reference": "AlmaLinux-9.6" }, { "category": "default_component_of", "full_product_name": { "name": "cockpit-storaged-0:334.2-1.el9_6.tuxcare.els1.noarch as a component of Rocky Linux 9.6", "product_id": "Rocky Linux-9.6:cockpit-storaged-0:334.2-1.el9_6.tuxcare.els1.noarch" }, "product_reference": "cockpit-storaged-0:334.2-1.el9_6.tuxcare.els1.noarch", "relates_to_product_reference": "Rocky Linux-9.6" }, { "category": "default_component_of", "full_product_name": { "name": "cockpit-0:334.2-1.el9_6.tuxcare.els1.x86_64 as a component of Rocky Linux 9.6", "product_id": "Rocky Linux-9.6:cockpit-0:334.2-1.el9_6.tuxcare.els1.x86_64" }, "product_reference": "cockpit-0:334.2-1.el9_6.tuxcare.els1.x86_64", "relates_to_product_reference": "Rocky Linux-9.6" }, { "category": "default_component_of", "full_product_name": { "name": "cockpit-bridge-0:334.2-1.el9_6.tuxcare.els1.x86_64 as a component of Rocky Linux 9.6", "product_id": "Rocky Linux-9.6:cockpit-bridge-0:334.2-1.el9_6.tuxcare.els1.x86_64" }, "product_reference": "cockpit-bridge-0:334.2-1.el9_6.tuxcare.els1.x86_64", "relates_to_product_reference": "Rocky Linux-9.6" }, { "category": "default_component_of", "full_product_name": { "name": "cockpit-system-0:334.2-1.el9_6.tuxcare.els1.noarch as a component of Rocky Linux 9.6", "product_id": "Rocky Linux-9.6:cockpit-system-0:334.2-1.el9_6.tuxcare.els1.noarch" }, "product_reference": "cockpit-system-0:334.2-1.el9_6.tuxcare.els1.noarch", "relates_to_product_reference": "Rocky Linux-9.6" }, { "category": "default_component_of", "full_product_name": { "name": "cockpit-doc-0:334.2-1.el9_6.tuxcare.els1.noarch as a component of Rocky Linux 9.6", "product_id": "Rocky Linux-9.6:cockpit-doc-0:334.2-1.el9_6.tuxcare.els1.noarch" }, "product_reference": "cockpit-doc-0:334.2-1.el9_6.tuxcare.els1.noarch", "relates_to_product_reference": "Rocky Linux-9.6" }, { "category": "default_component_of", "full_product_name": { "name": "cockpit-packagekit-0:334.2-1.el9_6.tuxcare.els1.noarch as a component of Rocky Linux 9.6", "product_id": "Rocky Linux-9.6:cockpit-packagekit-0:334.2-1.el9_6.tuxcare.els1.noarch" }, "product_reference": "cockpit-packagekit-0:334.2-1.el9_6.tuxcare.els1.noarch", "relates_to_product_reference": "Rocky Linux-9.6" }, { "category": "default_component_of", "full_product_name": { "name": "cockpit-ws-0:334.2-1.el9_6.tuxcare.els1.x86_64 as a component of Rocky Linux 9.6", "product_id": "Rocky Linux-9.6:cockpit-ws-0:334.2-1.el9_6.tuxcare.els1.x86_64" }, "product_reference": "cockpit-ws-0:334.2-1.el9_6.tuxcare.els1.x86_64", "relates_to_product_reference": "Rocky Linux-9.6" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-4631", "cwe": { "id": "CWE-78", "name": "Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')" }, "notes": [ { "category": "description", "text": "Cockpit's remote login feature passes user-supplied hostnames and usernames from the web interface to the SSH client without validation or sanitization. An attacker with network access to the Cockpit web service can craft a single HTTP request to the login endpoint that injects malicious SSH options or shell commands, achieving code execution on the Cockpit host without valid credentials. The injection occurs during the authentication flow before any credential verification takes place, meaning no login is required to exploit the vulnerability.", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AlmaLinux-9.6:cockpit-0:334.2-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:cockpit-bridge-0:334.2-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:cockpit-doc-0:334.2-1.el9_6.tuxcare.els1.noarch", "AlmaLinux-9.6:cockpit-packagekit-0:334.2-1.el9_6.tuxcare.els1.noarch", "AlmaLinux-9.6:cockpit-storaged-0:334.2-1.el9_6.tuxcare.els1.noarch", "AlmaLinux-9.6:cockpit-system-0:334.2-1.el9_6.tuxcare.els1.noarch", "AlmaLinux-9.6:cockpit-ws-0:334.2-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:cockpit-0:334.2-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:cockpit-bridge-0:334.2-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:cockpit-doc-0:334.2-1.el9_6.tuxcare.els1.noarch", "Rocky Linux-9.6:cockpit-packagekit-0:334.2-1.el9_6.tuxcare.els1.noarch", "Rocky Linux-9.6:cockpit-storaged-0:334.2-1.el9_6.tuxcare.els1.noarch", "Rocky Linux-9.6:cockpit-system-0:334.2-1.el9_6.tuxcare.els1.noarch", "Rocky Linux-9.6:cockpit-ws-0:334.2-1.el9_6.tuxcare.els1.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2026-4631" } ], "release_date": "2026-04-07T15:52:00Z", "remediations": [ { "category": "vendor_fix", "date": "2026-04-29T08:43:43.753051Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1777452220", "product_ids": [ "AlmaLinux-9.6:cockpit-0:334.2-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:cockpit-bridge-0:334.2-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:cockpit-doc-0:334.2-1.el9_6.tuxcare.els1.noarch", "AlmaLinux-9.6:cockpit-packagekit-0:334.2-1.el9_6.tuxcare.els1.noarch", "AlmaLinux-9.6:cockpit-storaged-0:334.2-1.el9_6.tuxcare.els1.noarch", "AlmaLinux-9.6:cockpit-system-0:334.2-1.el9_6.tuxcare.els1.noarch", "AlmaLinux-9.6:cockpit-ws-0:334.2-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:cockpit-0:334.2-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:cockpit-bridge-0:334.2-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:cockpit-doc-0:334.2-1.el9_6.tuxcare.els1.noarch", "Rocky Linux-9.6:cockpit-packagekit-0:334.2-1.el9_6.tuxcare.els1.noarch", "Rocky Linux-9.6:cockpit-storaged-0:334.2-1.el9_6.tuxcare.els1.noarch", "Rocky Linux-9.6:cockpit-system-0:334.2-1.el9_6.tuxcare.els1.noarch", "Rocky Linux-9.6:cockpit-ws-0:334.2-1.el9_6.tuxcare.els1.x86_64" ], "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1777452220" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "AlmaLinux-9.6:cockpit-0:334.2-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:cockpit-bridge-0:334.2-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:cockpit-doc-0:334.2-1.el9_6.tuxcare.els1.noarch", "AlmaLinux-9.6:cockpit-packagekit-0:334.2-1.el9_6.tuxcare.els1.noarch", "AlmaLinux-9.6:cockpit-storaged-0:334.2-1.el9_6.tuxcare.els1.noarch", "AlmaLinux-9.6:cockpit-system-0:334.2-1.el9_6.tuxcare.els1.noarch", "AlmaLinux-9.6:cockpit-ws-0:334.2-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:cockpit-0:334.2-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:cockpit-bridge-0:334.2-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:cockpit-doc-0:334.2-1.el9_6.tuxcare.els1.noarch", "Rocky Linux-9.6:cockpit-packagekit-0:334.2-1.el9_6.tuxcare.els1.noarch", "Rocky Linux-9.6:cockpit-storaged-0:334.2-1.el9_6.tuxcare.els1.noarch", "Rocky Linux-9.6:cockpit-system-0:334.2-1.el9_6.tuxcare.els1.noarch", "Rocky Linux-9.6:cockpit-ws-0:334.2-1.el9_6.tuxcare.els1.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Critical" } ] } ] }