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5.3
ZenTao Backup Handler Allows Remote File Deletion
CVE-2026-2551
Summary
The Backup Handler in ZenTao versions up to 21.7.8 allows an attacker to delete files on the server by manipulating the file path. This could lead to data loss or disruption of service. Update to the latest version of ZenTao to fix this issue.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| zentao | zentao | <= 21.7.8 | – |
Original title
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...
Original description
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.
nvd CVSS2.0
5.5
nvd CVSS3.1
5.4
nvd CVSS4.0
5.3
Vulnerability type
CWE-22
Path Traversal
- https://github.com/ez-lbz/ez-lbz.github.io/issues/10 Exploit Issue Tracking
- https://vuldb.com/?ctiid.346160 Permissions Required VDB Entry
- https://vuldb.com/?id.346160 Third Party Advisory VDB Entry
- https://vuldb.com/?submit.749983 Third Party Advisory VDB Entry
Published: 16 Feb 2026 · Updated: 11 Mar 2026 · First seen: 6 Mar 2026