How serious is CVE-2026-2551?

This vulnerability has a CVSS score of 5.3 out of 10, classified as MEDIUM severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2026-2551?

Yes, proof-of-concept exploit code for CVE-2026-2551 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2026-2551?

CVE-2026-2551 affects zentao zentao. Check the full CVE details for specific version information.

How do I fix CVE-2026-2551?

To remediate CVE-2026-2551, check for security patches from zentao. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2026-2551

Medium

|5.3

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows an attacker to remotely delete files on the ZenTao server by manipulating a specific function in the software. It affects versions up to 21.7.8, and the attack can be executed without needing special access or credentials.

Technical 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.

CVSS Vector Analysis

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

Confidentiality ImpactHigh

Integrity ImpactHigh

Availability ImpactHigh

ScopeChanged

Vector String

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploit Resources

Search for proof-of-concept code and exploit modules

GitHub Search Exploit-DB Nuclei Templates Metasploit Vulners

Official References

NIST NVD

Est. Bounty

$724($500-$1K)

Vendor Response

Grade APatched in 4 days

Quick Information

Published

Feb 16, 2026

about 2 months ago

Last Modified

Feb 20, 2026

about 2 months ago

Vendor

zentao

Product

zentao

Related Vulnerabilities

CVE-2026-2552Medium

This vulnerability allows an attacker to access and potentially delete files on the server by manipulating a specific file path in the ZenTao application. It affects versions up to 21.7.8, so upgrading to version 21.7.9 is necessary to fix the issue.