EUVD-2026-34866
GHSA-wq62-rvp9-jp4w
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
3DescriptionCVE.org
An issue in the cluster-admin:backup-datastore component of Controller v12.0.5 allows attackers to execute a directory traversal via a crafted request.
AnalysisAI
Directory traversal in the OpenDaylight Controller v12.0.5 cluster-admin:backup-datastore component allows unauthenticated remote attackers to read arbitrary files outside the intended backup directory via a crafted request. A public proof-of-concept exists on GitHub (majdlatah/ODL-Path-Traversal), though no active exploitation has been reported and EPSS scoring places real-world exploitation probability at the 16th percentile.
Technical ContextAI
OpenDaylight (ODL) is an open-source modular SDN controller platform used to manage network infrastructure in data centers and carrier environments. The affected cluster-admin:backup-datastore is an administrative RPC/REST endpoint within the controller's clustering subsystem responsible for producing datastore backups for the Akka-based cluster. CWE-22 (Improper Limitation of a Pathname to a Restricted Directory) indicates the endpoint accepts a user-supplied path or filename parameter and concatenates it into a filesystem operation without normalizing or constraining traversal sequences such as '../', allowing the request to escape the intended backup output directory.
RemediationAI
No vendor-released patch identified at time of analysis - the references include the OpenDaylight Titanium release notes and a PoC repository but no fixed-version advisory. Until OpenDaylight publishes a patched release, restrict network access to the controller's RESTCONF/JSON-RPC management endpoints (typically TCP 8181/8185) to trusted management subnets only, and ensure AAA (ODL's odl-aaa-shiro) is enabled with non-default credentials so the cluster-admin:backup-datastore RPC cannot be invoked anonymously - note this breaks any automation that relies on unauthenticated cluster RPCs. As an additional control, monitor for and block requests to the backup-datastore endpoint containing traversal sequences ('../', encoded variants, or absolute paths), accepting the trade-off that some legitimate backup tooling using parameterized paths may be impacted. Track the OpenDaylight release notes link above for the fixed version announcement.
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Same weakness CWE-22 – Path Traversal
View allSame technique Path Traversal
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External POC / Exploit Code
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