CVE-2026-59713

Leantime - OIDC Login CSRF via Unconditional State Verification Stub

Published Jul 6, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Leantime - OIDC Login CSRF via Unconditional State Verification Stub
First Time appeared Leantime
Leantime leantime
Weaknesses CWE-352
CPEs cpe:2.3:a:leantime:leantime:*:*:*:*:*:*:*:*
Vendors & Products Leantime
Leantime leantime
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 8.6, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 24, 2026, 2:18 PM
Reserved
Jul 6, 2026, 3:31 PM
Status
Deferred
Published
Jul 6, 2026, 9:16 PM
Modified
Oct 25, 2026, 8:10 PM