CVE-2026-1884
ZenTao Webhook model.php fetchHook server-side request forgery
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.
INFO
Published Date :
Feb. 4, 2026, 10:15 p.m.
Last Modified :
Feb. 11, 2026, 7:15 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update ZenTao to a version later than 21.7.6-85642.
- Verify the webhook module is configured securely.
- Monitor network traffic for suspicious requests.
Public PoC/Exploit Available at Github
CVE-2026-1884 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-1884.
| URL | Resource |
|---|---|
| https://github.com/ez-lbz/ez-lbz.github.io/issues/9 | Exploit Third Party Advisory Issue Tracking |
| https://github.com/ez-lbz/ez-lbz.github.io/issues/9#issue-3832844574 | Exploit Third Party Advisory |
| https://vuldb.com/?ctiid.344264 | Permissions Required VDB Entry |
| https://vuldb.com/?id.344264 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.742633 | Third Party Advisory VDB Entry |
| https://github.com/ez-lbz/ez-lbz.github.io/issues/9 | Exploit Third Party Advisory Issue Tracking |
| https://github.com/ez-lbz/ez-lbz.github.io/issues/9#issue-3832844574 | Exploit Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-1884 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-1884
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-1884 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-1884 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Feb. 11, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N Added CPE Configuration OR *cpe:2.3:a:zentao:zentao:*:*:*:*:*:*:*:* versions up to (including) 21.7.6 Added Reference Type VulDB: https://github.com/ez-lbz/ez-lbz.github.io/issues/9#issue-3832844574 Types: Exploit, Third Party Advisory Added Reference Type VulDB: https://vuldb.com/?ctiid.344264 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.344264 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.742633 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://github.com/ez-lbz/ez-lbz.github.io/issues/9 Types: Exploit, Issue Tracking, Third Party Advisory Added Reference Type CISA-ADP: https://github.com/ez-lbz/ez-lbz.github.io/issues/9#issue-3832844574 Types: Exploit, Third Party Advisory Added Reference Type CISA-ADP: https://github.com/ez-lbz/ez-lbz.github.io/issues/9 Types: Exploit, Issue Tracking, Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Feb. 05, 2026
Action Type Old Value New Value Added Reference https://github.com/ez-lbz/ez-lbz.github.io/issues/9 Added Reference https://github.com/ez-lbz/ez-lbz.github.io/issues/9#issue-3832844574 -
New CVE Received by [email protected]
Feb. 04, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/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 Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:N/AC:L/Au:M/C:P/I:P/A:P) Added CWE CWE-918 Added Reference https://github.com/ez-lbz/ez-lbz.github.io/issues/9 Added Reference https://github.com/ez-lbz/ez-lbz.github.io/issues/9#issue-3832844574 Added Reference https://vuldb.com/?ctiid.344264 Added Reference https://vuldb.com/?id.344264 Added Reference https://vuldb.com/?submit.742633