CVEvulnerability
CVE-2026-21879
6.1 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-01-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.7 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
- CVSS 3.1 ([email protected])
- 6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weaknesses
- CWE-601
Description
Kanboard is project management software focused on Kanban methodology. Versions 1.2.48 and below are vulnerable to an Open Redirect attack that allows malicious actors to redirect authenticated users to attacker-controlled websites. By crafting URLs such as //evil.com, attackers can bypass the filter_var($url, FILTER_VALIDATE_URL) validation check. This vulnerability could be exploited to conduct phishing attacks, steal user credentials, or distribute malware. The issue is fixed in version 1.2.49.
Affected configurations
• kanboard kanboard (< 1.2.49)
Related
Weakness · CWE (1)
- CWE-601 URL Redirection to Untrusted Site weakness
References
- https://github.com/kanboard/kanboard/commit/93bcae03301a6d34185a8dba977417e6b3de519f Patch
- https://github.com/kanboard/kanboard/releases/tag/v1.2.49 Release Notes
- https://github.com/kanboard/kanboard/security/advisories/GHSA-mhv9-7m9w-7hcq Exploit, Third Party Advisory
- https://github.com/kanboard/kanboard/security/advisories/GHSA-mhv9-7m9w-7hcq Exploit, Third Party Advisory