PatchTheCVECVE-2025-52576: Kanboard is project management software that focuses on the Kanban methodology
CVE-2025-52576 is a medium-severity flaw (CVSS 5.3) affecting kanboard. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Kanboard is project management software that focuses on the Kanban methodology. Prior to version 1.2.46, Kanboard is vulnerable to username enumeration and IP spoofing-based brute-force protection bypass. By analyzing login behavior and abusing trusted HTTP headers, an attacker can determine valid usernames and circumvent rate-limiting or blocking mechanisms. Any organization running a publicly accessible Kanboard instance is affected, especially
Why this priority
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 71%) |
| CISA exploited list | No |
| Weakness | CWE-203 |
| Published | 2025-06-25 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-52576?
kanboard: upgrade to 1.2.46. Exact commands for each OS are on this page.
Is CVE-2025-52576 being exploited?
CVE-2025-52576 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-52576 affect?
CVE-2025-52576 affects kanboard. Severity is medium (CVSS 5.3). Kanboard is project management software that focuses on the Kanban methodology. Prior to version 1.2.46, Kanboard is vulnerable to username enumeration and IP spoofing-based brute-force protection bypass. By analyzing login behavior and abu
How urgent is CVE-2025-52576?
Priority 31/100. Remotely exploitable, no login, no user action
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