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 patched in version 1.2.47.
CVE-2025-55011
This medium-severity CVE scores 6.4 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 73% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.4
- EG Score
- 6.4(medium)
- EG Risk
- 45(Track)EG Risk 45/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity64% × 45%Exploitation40% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 28%
- KEV
- Not listed
Published
August 12, 2025
Last Modified
August 22, 2025
References (4)
- security-advisories@githubhttps://github.com/kanboard/kanboard/blob/b2e35ac520add67cff792aab960b3c002c48e3d0/app/Api/Procedure/TaskFileProcedure.php#L47-L57
- security-advisories@githubhttps://github.com/kanboard/kanboard/commit/523a6135e944b6884c091a3fd7605af8ef133681
- security-advisories@githubhttps://github.com/kanboard/kanboard/security/advisories/GHSA-26f4-rx96-xc55
- 134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/kanboard/kanboard/security/advisories/GHSA-26f4-rx96-xc55
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 37× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Frequently asked(5)
What is CVE-2025-55011?
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Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2025-55011
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