CVE-2026-2207

WeKan Activity Publication activities.js LinkedBoardActivitiesBleed information disclosure

State: Published
Severity: 6.9 Medium
Published: Feb 8, 2026
Updated: Feb 23, 2026
Reserved: Feb 8, 2026

Description

A weakness has been identified in WeKan up to 8.20. This issue affects some unknown processing of the file server/publications/activities.js of the component Activity Publication Handler. Executing a manipulation can lead to information disclosure. It is possible to launch the attack remotely. Upgrading to version 8.21 is capable of addressing this issue. This patch is called 91a936e07d2976d4246dfe834281c3aaa87f9503. You should upgrade the affected component.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X	VulDB
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C	VulDB
3.0	5.3 Medium	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C	VulDB
2.0	5.0 Medium	AV:N/AC:L/Au:N/C:P/I:N/A:N/E:ND/RL:OF/RC:C	VulDB

Weaknesses

CWE-200 Information Disclosure
CWE-284 Improper Access Controls

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-344921 | WeKan Activity Publication activities.js LinkedBoardActivitiesBleed information disclosurevdb-entrytechnical-description
VDB-344921 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #752163 | Wekan <8.21 Information disclosure via insufficient authorization filteringthird-party-advisory
https://github.com/wekan/wekan/commit/91a936e07d2976d4246dfe834281c3aaa87f9503patch
https://github.com/wekan/wekan/releases/tag/v8.21patch
https://github.com/wekan/wekan/product

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