CVE-2026-1894

WeKan REST API checklistItems.js Checklist REST Bleed improper authorization

State: Published
Severity: 5.3 Medium
Published: Feb 4, 2026
Updated: Feb 23, 2026
Reserved: Feb 4, 2026

Description

A vulnerability was detected in WeKan up to 8.20. This impacts an unknown function of the file models/checklistItems.js of the component REST API. Performing a manipulation of the argument item.cardId/item.checklistId/card.boardId results in improper authorization. Remote exploitation of the attack is possible. Upgrading to version 8.21 will fix this issue. The patch is named 251d49eea94834cf351bb395808f4a56fb4dbb44. Upgrading the affected component is recommended.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X	VulDB
3.1	6.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C	VulDB
3.0	6.3 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C	VulDB
2.0	6.5 Medium	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C	VulDB

Weaknesses

CWE-285 Improper Authorization
CWE-266 Incorrect Privilege Assignment

Affected Products

Product	Versions
WeKann/a	8.0Affected 8.1Affected 8.2Affected 8.3Affected 8.4Affected 8.5Affected 8.6Affected 8.7Affected 8.8Affected 8.9Affected 8.10Affected 8.11Affected 8.12Affected 8.13Affected 8.14Affected 8.15Affected 8.16Affected 8.17Affected 8.18Affected 8.19Affected 8.20Affected 8.21Not affected

References

VDB-344266 | WeKan REST API checklistItems.js Checklist REST Bleed improper authorizationvdb-entrytechnical-description
VDB-344266 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #742663 | Wekan <8.21 IDOR via REST API / improper object relationship validationthird-party-advisory
https://github.com/wekan/wekan/commit/251d49eea94834cf351bb395808f4a56fb4dbb44patch
https://github.com/wekan/wekan/releases/tag/v8.21patch
https://github.com/wekan/wekan/product

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