Directory Traversal The advisory has been revoked - it doesn't affect any version of package kanboard (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN14-KANBOARD-12905498
- published19 Sept 2025
- disclosed12 Aug 2025
Introduced: 12 Aug 2025
CVE-2025-55011 (opens in a new tab)Amendment
The Debian security team deemed this advisory irrelevant for Debian:14.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kanboard package and not the kanboard package as distributed by Debian.
Kanboard is project management software that focuses on the Kanban methodology. Prior to version 1.2.47, the createTaskFile method in the API does not validate whether the task_id parameter is a valid task id, nor does it check for path traversal. As a result, a malicious actor could write a file anywhere on the system the app user controls. The impact is limited due to the filename being hashed and having no extension. This issue has been patched in version 1.2.47.
References
- https://security-tracker.debian.org/tracker/CVE-2025-55011
- https://github.com/kanboard/kanboard/blob/b2e35ac520add67cff792aab960b3c002c48e3d0/app/Api/Procedure/TaskFileProcedure.php#L47-L57
- https://github.com/kanboard/kanboard/commit/523a6135e944b6884c091a3fd7605af8ef133681
- https://github.com/kanboard/kanboard/security/advisories/GHSA-26f4-rx96-xc55