CVE-2026-80200Kimai before 2.53.0 Open Redirect via RelayState
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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Kimai before 2.53.0 contains an open redirect vulnerability in the SAML authentication success handler that accepts unvalidated RelayState POST parameters as redirect destinations. Attackers with IdP access can supply malicious RelayState values to redirect authenticated users to attacker-controlled URLs for credential theft or phishing attacks.
- CVSS
- 4.7 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
- Weakness (CWE)
- CWE-601
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
kimai kimai kimai:kimai (from the name) | before 2.53.0; 2.53.0 not affected | CNA record |
References
- https://github.com/kimai/kimai/security/advisories/GHSA-3jp4-mhh4-gcgrvendor-advisory
- https://www.vulncheck.com/advisories/kimai-before-2.53.0-open-redirect-via-relaystatethird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.