CVE-2026-2551

ZenTao Backup control.php delete path traversal

Assigner: VulDB
Reserved: 15.02.2026 Published: 16.02.2026 Updated: 16.02.2026

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.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
CVSS Score: 5.4

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	Low	Integrity Impact	Low
User Interaction	None	Availability Impact	Low

CVSS 3.1

CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
CVSS Score: 5.4

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	Low	Integrity Impact	Low
User Interaction	None	Availability Impact	Low

CVSS 3.0

CVSS Vector: AV:N/AC:L/Au:S/C:N/I:P/A:P/E:POC/RL:ND/RC:UR
CVSS Score: 5.5

Access Vector	Network	Confidentiality Impact	None
Access Complexity	Low	Integrity Impact	Partial
Authentication	Single	Availability Impact	Partial

CVSS 2.0

Product Status

Vendor	n/a
Product	ZenTao
Versions	Version 21.7.0 is affected Version 21.7.1 is affected Version 21.7.2 is affected Version 21.7.3 is affected Version 21.7.4 is affected Version 21.7.5 is affected Version 21.7.6 is affected Version 21.7.7 is affected Version 21.7.8 is affected

Vendor

n/a

Product

ZenTao

Versions

Version 21.7.0 is affected
Version 21.7.1 is affected
Version 21.7.2 is affected
Version 21.7.3 is affected
Version 21.7.4 is affected
Version 21.7.5 is affected
Version 21.7.6 is affected
Version 21.7.7 is affected
Version 21.7.8 is affected

Credits

ez-lbz (VulDB User) reporter

References

Problem Types