Path Traversal in Zentao
CVE-2026-2551
A vulnerability was determined in ZenTao up to 21.7.8. Affected by this vulnerability is the function delete of the file editor/control.php of the component Backup Handler. This manipulation of the argument fileName causes path traversal. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.006 (45.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001
Affected products
- Zentao
- Zentao — versions 21.7.0, 21.7.1, 21.7.2
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/ez-lbz/ez-lbz.github.io/issues/10 (issue-tracking, Exploit, exploit, Issue Tracking)
Frequently asked questions
- What is CVE-2026-2551?
- CVE-2026-2551 is a medium-severity vulnerability in Zentao, classified under Path Traversal. CVSS score: 5.4/10. Published 2026-02-16.
- How severe is CVE-2026-2551?
- Medium severity. CVSS v3 base score is 5.4 out of 10.