CVE-2025-55010

HighCVSS 7.2/10Last modified Jun 17, 2026

Description

Kanboard is project management software that focuses on the Kanban methodology. Prior to version 1.2.47, an unsafe deserialization vulnerability in the ProjectEventActvityFormatter allows admin users the ability to instantiate arbitrary php objects by modifying the event["data"] field in the project_activities table. A malicious actor can update this field to use a php gadget to write a web shell into the /plugins folder, which then gives remote code execution on the host system. This issue has been patched in version 1.2.47.

Metrics

CVSS 3.1 7.2/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-502

Affected software

Vendor	Product	Versions
kanboard	kanboard	< 1.2.47

References

https://github.com/kanboard/kanboard/blob/b033c0e0f982f8158e240bce8ab54c29727f8efe/app/Formatter/ProjectActivityEventFormatter.php#L43-L57Product
https://github.com/kanboard/kanboard/commit/7148ac092e5db6b33e0fc35e04bca328d96c1f6fPatch
https://github.com/kanboard/kanboard/security/advisories/GHSA-359x-c69j-q64rExploit, Third Party Advisory
https://github.com/kanboard/kanboard/security/advisories/GHSA-359x-c69j-q64rExploit, Third Party Advisory

Timeline

Published: Aug 12, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

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