Vulnerability · Published Feb 10, 2026 · Assigned by GitHub_M

CVE-2026-25530Kanboard is missing authorization check in getSwimlane API allows cross-project data access

Medium 4.3

In plain English

A medium-severity authorization bypass via user-controlled key in kanboard from kanboard. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.3%top 79.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

Kanboard is project management software focused on Kanban methodology. Prior to 1.2.50, the getSwimlane API method lacks project-level authorization, allowing authenticated users to access swimlane data from projects they cannot access. This vulnerability is fixed in 1.2.50.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:14kanboard1.2.50+ds-1DEBIAN-CVE-2026-25530
Ubuntu:22.04:LTSkanboard-clino fix listedUBUNTU-CVE-2026-25530
Ubuntu:24.04:LTSkanboard-clino fix listedUBUNTU-CVE-2026-25530
Ubuntu:22.04:LTSpython-kanboardno fix listedUBUNTU-CVE-2026-25530
Ubuntu:24.04:LTSpython-kanboardno fix listedUBUNTU-CVE-2026-25530
Ubuntu:25.10python-kanboardno fix listedUBUNTU-CVE-2026-25530
Ubuntu:26.04:LTSpython-kanboardno fix listedUBUNTU-CVE-2026-25530
Ubuntu:26.10python-kanboardno fix listedUBUNTU-CVE-2026-25530

Affected products (as reported)

VendorProductVersions
kanboard kanboard < 1.2.50

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References