CVE-2026-119673

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{"bugzilla": {"description": "github.com/mongodb/mongo-tools: mongofiles: Arbitrary file creation via parent-directory symlinks", "id": "2566076", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2566076"}, "csaw": false, "cvss3": {"cvss3_base_score": "2.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N", "status": "draft"}, "cwe": "CWE-59", "details": ["MongoDB Database Tools mongofiles does not resolve existing parent-directory symlinks when validating output paths for get_regex. An unauthorized user who can both upload a GridFS file and place a symlink in the operator's download working directory can cause a later retrieval to create a file containing unauthorized user-controlled data outside that directory, using the operator process's filesystem permissions. The issue can occur with default traversal and overwrite settings. Exploitation requires an operator to retrieve matching files from the affected working directory; the demonstrated default behavior creates a new file rather than overwriting an existing file. This issue affects MongoDB Database Tools versions 100.2.0 through versions before 100.20.1.", "A flaw was found in MongoDB Database Tools mongofiles. This vulnerability allows unauthorized file creation outside the intended destination directory due to improper resolution of parent-directory symbolic links (symlinks, which are shortcuts pointing to other filesystem locations) during file retrieval operations. An attacker capable of uploading files to the database and placing a symlink in the operator's working directory can cause an operator process to write attacker-controlled files into unintended directories using the operator's filesystem permissions."], "name": "CVE-2026-119673", "package_state": [{"cpe": "cpe:/a:redhat:ceph_storage:9", "fix_state": "Fix deferred", "package_name": "rhceph/alloy-rhel10", "product_name": "Red Hat Ceph Storage 9"}], "public_date": "2026-11-03T16:14:23Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-119673\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-119673\nhttps://github.com/mongodb/mongo-tools/blob/master/CHANGELOG.md"], "threat_severity": "Low"}

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