High 8.1Published Jul 6, 2026

CVE-2026-59713Leantime - OIDC Login CSRF via Unconditional State Verification Stub

Updated under an hour ago (Oct 28, 2026, 4:00 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for Leantime

Exploited in the last 30 days

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.

CVSS: 8.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness (CWE): CWE-352
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: Sep 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Leantime Leantime leantime:leantime (from the name)	through 3.4.4	CNA record

References

References

https://github.com/Leantime/leantime/issues/3535	issue-tracking
https://github.com/Leantime/leantime	product
https://github.com/Leantime/leantime/commit/9630eb7db682fb1b4e23cdabf3428d03ec6f5094	patch
https://www.vulncheck.com/advisories/leantime-oidc-login-csrf-via-unconditional-state-verification-stub	third-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.