CVE-2026-59712 | Leantime's Users::getUser method in the JSON-RPC API lacks p… | CVSS 8.1 HIGH

Description

Leantime's Users::getUser method in the JSON-RPC API lacks proper authorization checks, allowing authenticated users to retrieve full user credential rows including password hashes, TOTP secrets, and session tokens. Attackers can exploit this by calling users.getUser with arbitrary user IDs to enumerate all accounts and obtain credentials for offline password cracking, 2FA bypass, and session hijacking.

Metadata

CVE ID: CVE-2026-59712
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-07-06 15:31 UTC
Published: 2026-07-06 20:43 UTC
Last updated: 2026-07-06 20:43 UTC
Primary CWE: CWE-639
Authorization Bypass Through User-Controlled Key
Vendor / Product: Leantime / Leantime
Sources: cve.org · NVD

Severity & Metrics

8.1 HIGH CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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-639	cna	Authorization Bypass Through User-Controlled Key

CVSS scores (2)

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

References (4)