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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.

PUBLISHED Reserved 2026-02-08 | Published 2026-02-08 | Updated 2026-02-23 | Assigner VulDB




MEDIUM: 6.9CVSS: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
MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C
MEDIUM: 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C
5.0AV:N/AC:L/Au:N/C:P/I:N/A:N/E:ND/RL:OF/RC:C

Problem types

Information Disclosure

Improper Access Controls

Timeline

2026-02-08:Advisory disclosed
2026-02-08:VulDB entry created
2026-02-09:VulDB entry last update

Credits

MegaManSec (VulDB User) reporter

References

vuldb.com/?id.344921 (VDB-344921 | WeKan Activity Publication activities.js LinkedBoardActivitiesBleed information disclosure) vdb-entry technical-description

vuldb.com/?ctiid.344921 (VDB-344921 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.752163 (Submit #752163 | Wekan <8.21 Information disclosure via insufficient authorization filtering) third-party-advisory

github.com/...ommit/91a936e07d2976d4246dfe834281c3aaa87f9503 patch

github.com/wekan/wekan/releases/tag/v8.21 patch

github.com/wekan/wekan/ product

cve.org (CVE-2026-2207)

nvd.nist.gov (CVE-2026-2207)

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