CVE-2026-119168

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{"bugzilla": {"description": "nomad: Nomad: Privilege escalation via symlink following during data migration", "id": "2563625", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2563625"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-59", "details": ["HashiCorp Nomad and Nomad Enterprise are vulnerable to symlink following during same-client allocation data migration that may allow a malicious workload to change permissions and ownership of host directories. This could allow unauthorized access to host data or modification of host files, potentially leading to privilege escalation. This vulnerability (CVE-2026-119168) is fixed in Nomad 2.1.1 and Nomad Enterprise 2.1.0, 1.11.12, and 1.10.18.", "A flaw was found in Nomad. This vulnerability can lead to privilege escalation when the service improperly follows symbolic links (symlinks) during same-client allocation data migration. An attacker running a malicious workload can exploit this flaw to modify the ownership and permissions of host directories. Consequently, this can allow unauthorized access to sensitive host data and modification of critical host files."], "name": "CVE-2026-119168", "public_date": "2026-10-29T18:12:51Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-119168\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-119168\nhttps://discuss.hashicorp.com/t/hcsec-2026-53-nomad-allocation-data-migration-may-allow-host-directory-permission-modification-via-symlink-following/77931"], "statement": "This vulnerability is evaluated with an Important impact because an authenticated attacker who can submit jobs could escape workload isolation and alter the host filesystem, resulting in a full host compromise. While exploitation necessitates existing workload scheduling privileges rather than unauthenticated network access, the resulting blast radius extends beyond the container boundary to the underlying operating system. HashiCorp Nomad is not distributed or maintained in Red Hat Enterprise Linux or Red Hat OpenShift, which relies on Kubernetes architecture for workload scheduling.", "threat_severity": "Important"}

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