CVE-2026-21879
Last modified
CVE-2026-21879 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. EPSS estimates a 0.26% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Kanboard | Kanboard | < 1.2.49 |
References
- https://github.com/kanboard/kanboard/security/advisories/GHSA-mhv9-7m9w-7hcqExploit, Third Party Advisory
- https://github.com/kanboard/kanboard/security/advisories/GHSA-mhv9-7m9w-7hcqExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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