CVE-2026-1884: ZenTao Webhook model.php fetchHook server-side request forgery

Severity: medium (CVSS 4.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-02-04 · updated 2026-06-17
Weakness: CWE-918

Description

A weakness has been identified in ZenTao up to 21.7.6-85642. The impacted element is the function fetchHook of the file module/webhook/model.php of the component Webhook Module. This manipulation causes server-side request forgery. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

ZenTao: through 21.7.6

References

https://github.com/ez-lbz/ez-lbz.github.io/issues/9
https://github.com/ez-lbz/ez-lbz.github.io/issues/9#issue-3832844574
https://vuldb.com/?ctiid.344264
https://vuldb.com/?id.344264
https://vuldb.com/?submit.742633
https://github.com/ez-lbz/ez-lbz.github.io/issues/9
https://github.com/ez-lbz/ez-lbz.github.io/issues/9#issue-3832844574

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