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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.

CVE-2026-2551 is a path traversal vulnerability identified in the ZenTao project management software, affecting versions 21.7.0 through 21.7.8. The flaw exists in the delete function of the editor/control.php file within the Backup Handler component. The vulnerability stems from insufficient validation or sanitization of the fileName parameter, which an attacker can manipulate to traverse directories and specify arbitrary file paths. This allows remote attackers to delete files outside the intended directory scope, potentially leading to loss of critical files or disruption of service. The attack vector is network-based with no user interaction required, and the attacker needs only low privileges, making exploitation relatively straightforward. The vulnerability has been publicly disclosed, though no active exploitation in the wild has been reported yet. The CVSS 4.0 base score of 5.3 indicates a medium severity, reflecting moderate impacts on confidentiality, integrity, and availability, with no requirement for authentication or user interaction. The vulnerability's scope is limited to affected ZenTao versions, which are used primarily in software development and project management environments.

Detailed information about CVE-2026-2551: Path Traversal in ZenTao affecting null ZenTao. Get real-time updates, technical details, and mitigation strategies.

CVE-2026-2551: Path Traversal in ZenTao - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-2551: Path Traversal in ZenTao

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