CVE-2026-1884: ZenTao Webhook model.php fetchHook server-side request forgery
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 Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-1884?
CVE-2026-1884 is classified as a high severity vulnerability due to its potential to cause server-side request forgery.
How do I fix CVE-2026-1884?
To fix CVE-2026-1884, upgrade ZenTao to the latest version beyond 21.7.6-85642 where the vulnerability has been addressed.
What versions of ZenTao are affected by CVE-2026-1884?
CVE-2026-1884 affects ZenTao versions up to and including 21.7.6-85642.
What are the risks associated with CVE-2026-1884?
The risks associated with CVE-2026-1884 include unauthorized access to local services and potential data leakage through server-side request forgery.
Is there a workaround for CVE-2026-1884?
While the best action is to upgrade, temporary workarounds may include restricting network access to the ZenTao application to mitigate the risk.