CVE-2025-13789: A vulnerability was found in ZenTao up to 21.7.6-8564

Q: How do I fix CVE-2025-13789?

zentao: upgrade to 21.7.6. Exact commands for each OS are on this page.

Q: Is CVE-2025-13789 being exploited?

CVE-2025-13789 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-13789 affect?

CVE-2025-13789 affects zentao. Severity is medium (CVSS 6.3). A vulnerability was found in ZenTao up to 21.7.6-8564. This affects the function makeRequest of the file module/ai/model.php. The manipulation of the argument Base results in server-side request forgery. The attack can be launched remotely.

Q: How urgent is CVE-2025-13789?

Priority 33/100. Public exploit reference

Routine

MEDIUM 6.3UPGRADE

CVE-2025-13789 is a medium-severity flaw (CVSS 6.3) affecting zentao. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in ZenTao up to 21.7.6-8564. This affects the function makeRequest of the file module/ai/model.php. The manipulation of the argument Base results in server-side request forgery. The attack can be launched remotely. The exploit has been made public and could be used. Upgrading to version 21.7.6 mitigates this issue. It is suggested to upgrade the affected component.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Weakness	CWE-918
Published	2025-11-30
Last modified	2026-10-18

Publisher (CNA): VulDB · Vendor: zentao

Last updated 2026-10-18 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-11-30 14:16 UTCPublished CVE record published
2026-10-18 18:10 UTCUpdated Record last modified

zentao zentao UPGRADE

Affected: < 21.7.6

Fixed in: 21.7.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy zentao || rpm -q zentao || zentao --version

2. UPGRADE to 21.7.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade zentao

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade zentao

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-13789?

zentao: upgrade to 21.7.6. Exact commands for each OS are on this page.

Is CVE-2025-13789 being exploited?

CVE-2025-13789 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-13789 affect?

CVE-2025-13789 affects zentao. Severity is medium (CVSS 6.3). A vulnerability was found in ZenTao up to 21.7.6-8564. This affects the function makeRequest of the file module/ai/model.php. The manipulation of the argument Base results in server-side request forgery. The attack can be launched remotely.

How urgent is CVE-2025-13789?

Priority 33/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-13787 MEDIUM 5.4 UPGRADE A flaw has been found in ZenTao up to 21.7.6-8564
CVE-2026-2552 MEDIUM 5.5 UPGRADE A vulnerability was identified in ZenTao up to 21.7.8
CVE-2026-2551 MEDIUM 5.4 UPGRADE A vulnerability was determined in ZenTao up to 21.7.8
CVE-2026-1884 MEDIUM 4.7 UPGRADE A weakness has been identified in ZenTao up to 21.7.6-85642
CVE-2025-5114 MEDIUM 6.3 DOWNGRADE A vulnerability has been found in easysoft zentaopms 21.5_20250307 and classified as critical

References

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