CVE-2026-114278

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{"bugzilla": {"description": "che-machine-exec: Unauthenticated Command Injection via kubeconfig Username in che-machine-exec", "id": "2562812", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2562812"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-78", "details": ["The che-machine-exec service constructs a shell command by concatenating user-controlled input (the username and namespace fields from the /exec/init and /exec/config JSON endpoints) into a double-quoted sh -c \"echo \"...\" > ...\" invocation without any escaping. When che-machine-exec is run with authentication disabled (its default), any network-reachable attacker can achieve remote code execution in containers che-machine-exec is configured to access, via shell command substitution ($(...) or backticks).", "A flaw was found in che-machine-exec. The service improperly sanitizes user-supplied input when constructing shell commands from configuration endpoints. An unauthenticated remote attacker can exploit this vulnerability by submitting crafted network requests, leading to arbitrary code execution within the affected containers."], "mitigation": {"lang": "en:us", "value": "Enforce mandatory authentication on the che-machine-exec endpoints or restrict network access to the che-machine-exec service port to trusted internal infrastructure using network policies or firewall rules."}, "name": "CVE-2026-114278", "package_state": [{"cpe": "cpe:/a:redhat:openshift_devspaces:3", "fix_state": "Will not fix", "package_name": "devspaces/code-rhel9", "product_name": "Red Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3", "fix_state": "Will not fix", "package_name": "devspaces/jetbrains-ide-rhel9", "product_name": "Red Hat OpenShift Dev Spaces"}], "public_date": "2026-10-28T11:55:05Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-114278\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-114278\nhttps://github.com/eclipse-che/che-machine-exec/commit/a78541c29e5f48fd59a49cf206bc0e507628bd23\nhttps://gitlab.eclipse.org/security/cve-assignment/-/work_items/476\nhttps://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/359"], "statement": "A flaw was found in the Eclipse Che che-machine-exec service. Unsanitized concatenation of user-supplied JSON fields (username and namespace) into a double-quoted shell execution string in the /exec/init and /exec/config endpoints allows unauthenticated remote attackers to execute arbitrary shell commands inside target containers via command substitution syntax.", "threat_severity": "Important"}

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