CVE-2026-59713
High
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.
SeverityHigh
CVSS8.1
Exploit probability—
ProductLeantime
PublishedJul 6, 2026
First seenJul 6, 2026
Weakness typeCWE-352Cross-site request forgery (CSRF)
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Leantime Leantime | v ≤ 3.4.4 | — |
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