CVE-2025-55011: Kanboard is project management software that focuses on the Kanban methodology

Q: How do I fix CVE-2025-55011?

kanboard: upgrade to 1.2.47. Exact commands for each OS are on this page.

Q: Is CVE-2025-55011 being exploited?

CVE-2025-55011 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-55011 affect?

CVE-2025-55011 affects kanboard. Severity is medium (CVSS 6.4). Kanboard is project management software that focuses on the Kanban methodology. Prior to version 1.2.47, the createTaskFile method in the API does not validate whether the task_id parameter is a valid task id, nor does it check for path tra

Q: How urgent is CVE-2025-55011?

Priority 35/100. Public exploit reference

Routine

MEDIUM 6.4UPGRADE

CVE-2025-55011 is a medium-severity flaw (CVSS 6.4) 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 1.2.47, the createTaskFile method in the API does not validate whether the task_id parameter is a valid task id, nor does it check for path traversal. As a result, a malicious actor could write a file anywhere on the system the app user controls. The impact is limited due to the filename being hashed and having no extension. This issue has been patche

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 69%)
CISA exploited list	No
Weakness	CWE-22
Published	2025-08-12
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: kanboard

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-08-12 16:15 UTCPublished CVE record published
2026-06-17 09:41 UTCUpdated Record last modified

kanboard kanboard UPGRADE

Affected: < 1.2.47

Fixed in: 1.2.47

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy kanboard || rpm -q kanboard || kanboard --version

2. UPGRADE to 1.2.47 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade kanboard

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade kanboard

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
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-2025-55011?

kanboard: upgrade to 1.2.47. Exact commands for each OS are on this page.

Is CVE-2025-55011 being exploited?

CVE-2025-55011 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-2025-55011 affect?

CVE-2025-55011 affects kanboard. Severity is medium (CVSS 6.4). Kanboard is project management software that focuses on the Kanban methodology. Prior to version 1.2.47, the createTaskFile method in the API does not validate whether the task_id parameter is a valid task id, nor does it check for path tra

How urgent is CVE-2025-55011?

Priority 35/100. Public exploit reference

Related CVEs

CVE-2026-33058 MEDIUM 6.5 UPGRADE Kanboard is project management software focused on Kanban methodology
CVE-2026-29056 HIGH 8.8 UPGRADE Kanboard is project management software focused on Kanban methodology
CVE-2026-25924 HIGH 8.4 UPGRADE Kanboard is project management software focused on Kanban methodology
CVE-2026-25531 MEDIUM 4.3 UPGRADE Kanboard is project management software focused on Kanban methodology
CVE-2026-25530 MEDIUM 4.3 UPGRADE Kanboard is project management software focused on Kanban methodology

References

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