6.1
CVE-2026-21879
- EPSS 0.26%
- Veröffentlicht 08.01.2026 00:51:50
- Zuletzt bearbeitet 20.01.2026 18:15:10
- Quelle security-advisories@github.com
- CVE-Watchlists
- Unerledigt
LoginKanboard vulnerable to Open Redirect via protocol-relative URLs
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.
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.26% | 0.171 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 6.1 | 2.8 | 2.7 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
|
| security-advisories@github.com | 4.7 | 2.8 | 1.4 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
|
CWE-601 URL Redirection to Untrusted Site ('Open Redirect')
The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.
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https://github.com/kanboard/kanboard/security/advisories/GHSA-mhv9-7m9w-7hcq
https://github.com/kanboard/kanboard/commit/93bcae03301a6d34185a8dba977417e6b3de519f
https://github.com/kanboard/kanboard/releases/tag/v1.2.49