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Vulnerability record · CVE-2025-55010 · published 12 August 2025

CVE-2025-55010: Kanboard deserialization of untrusted data vulnerability

Kanboard · Kanboard

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.

7.2 CVSS 3.1 High EPSS 0.93% · top 40.9% CWE-502 · Deserialization of untrusted data
7.2CVSS 3.1 base score
0.93%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/kanboard/kanboard/blob/b033c0e0f982f8158e240bce8ab54c29727f8efe/app/Formatter/ProjectActivityEventFor Product
https://github.com/kanboard/kanboard/commit/7148ac092e5db6b33e0fc35e04bca328d96c1f6f Patch
https://github.com/kanboard/kanboard/security/advisories/GHSA-359x-c69j-q64r ExploitThird Party Advisory
https://github.com/kanboard/kanboard/security/advisories/GHSA-359x-c69j-q64r ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-55010), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.