CVE-2026-21879
mediumpriority · track · 24EPSS 0.003 · 24 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
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affected products (2)
Products and version ranges known to be affected.
also known as (2)
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sources
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references (10)
External citations — patches, advisories, analysis.
- https://github.com/kanboard/kanboard/commit/93bcae03301a6d34185a8dba977417e6b3de519fcnnvd
- https://github.com/kanboard/kanboard/releases/tag/v1.2.49cnnvd
- https://github.com/kanboard/kanboard/security/advisories/GHSA-mhv9-7m9w-7hcqcnnvd
- https://kanboard.org/releases.htmlPatchcnnvd
- https://github.com/kanboard/kanboard/commit/93bcae03301a6d34185a8dba977417e6b3de519fenisa_euvd
- https://github.com/kanboard/kanboard/releases/tag/v1.2.49enisa_euvd
- https://github.com/kanboard/kanboard/security/advisories/GHSA-mhv9-7m9w-7hcqenisa_euvd
- https://github.com/kanboard/kanboard/commit/93bcae03301a6d34185a8dba977417e6b3de519fPatchnvd
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