CVE-2026-59713 | Leantime contains an OIDC login CSRF vulnerability in the ve… | CVSS 8.1 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.

Metadata

CVE ID: CVE-2026-59713
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-07-06 15:31 UTC
Published: 2026-07-06 20:36 UTC
Last updated: 2026-07-06 20:36 UTC
Primary CWE: CWE-352
Cross-Site Request Forgery (CSRF)
Vendor / Product: Leantime / Leantime
Sources: cve.org · NVD

Severity & Metrics

8.1 HIGH CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Affected products (1)

Vendor	Product	Platform	Versions
Leantime	Leantime	—	0 ≤ 3.4.4

Weakness (CWE)

CWE	Source	Description
CWE-352	cna	Cross-Site Request Forgery (CSRF)

CVSS scores (2)

Score	Severity	Version	Source	Vector
8.6	HIGH	4.0	cna	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
8.1	HIGH	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

References (4)