CVE-2026-59713
Leantime - OIDC Login CSRF via Unconditional State Verification Stub
- State
- Published
- Severity
- 8.6 High
- Published
- Jul 6, 2026
- Updated
- Sep 24, 2026
- Reserved
- Jul 6, 2026
Description
Leantime contains an OIDC login CSRF vulnerability in the verifyState() method that unconditionally returns true without validating state parameters. Attackers can craft malicious callback URLs with attacker-controlled authorization codes to perform session fixation, logging victims in as the attacker.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.6 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.1 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N | VulnCheck |
Weaknesses
- CWE-352 Cross-Site Request Forgery (CSRF)
Affected Products
| Product | Versions |
|---|---|
LeantimeLeantime |
|
References
- GitHub Issueissue-tracking
- Productproduct
- Patch Commitpatch
- https://www.vulncheck.com/advisories/leantime-oidc-login-csrf-via-unconditional-state-verification-stubthird-party-advisory
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