Deserialization in Kanboard

CVE-2025-55010

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 ph…

Vulnerability class: Insecure Deserialization

EPSS: 0.009 (54.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-55010?
CVE-2025-55010 is a critical-severity vulnerability in Kanboard, classified under Deserialization of Untrusted Data. CVSS score: 9.1/10. Published 2025-08-12.
How severe is CVE-2025-55010?
Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2025-55010 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.