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CVE-2026-66412

MEDIUM
6.5
CVSS 3.1
Description
Leantime 3.6.2 and prior contains a broken access control vulnerability that allows authenticated users to read milestone data from projects they are not assigned to by supplying arbitrary integer milestone IDs to the tickets.getMilestone JSON-RPC endpoint. Attackers can enumerate integer milestone IDs through the JSON-RPC API to access project planning information, milestone titles, descriptions, and timelines across all projects on the instance regardless of project membership.

Metadata

CVE ID
CVE-2026-66412
State
PUBLISHED
Assigner
VulnCheck
Reserved
2026-07-27 05:16 UTC
Published
2026-07-27 05:23 UTC
Last updated
2026-07-27 05:23 UTC
Primary CWE
CWE-639
CWE-639 Authorization Bypass Through User-Controlled Key
Vendor / Product
Leantime / Leantime
Sources
cve.org  ·  NVD

Severity & Metrics

6.5 MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products (1)
VendorProductPlatformVersions
Leantime Leantime — 0 ≤ 3.6.2
Weakness (CWE)
CWESourceDescription
CWE-639 cna CWE-639 Authorization Bypass Through User-Controlled Key
CVSS scores (2)
ScoreSeverityVersionSourceVector
7.1 HIGH 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
6.5 MEDIUM 3.1 cna CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References (4)
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