CVE-2026-66412

Published: Lug 27, 2026 Last Modified: Lug 27, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,1
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
MEDIUM 6,5
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none

Description

AI Translation Available

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.

639

Authorization Bypass Through User-Controlled Key

Incomplete
Common Consequences
Security Scopes Affected:
Access Control
Potential Impacts:
Bypass Protection Mechanism Gain Privileges Or Assume Identity
Applicable Platforms
All platforms may be affected
View CWE Details
https://github.com/Leantime/leantime/pull/3657
https://github.com/Leantime/leantime/commit/68898eeb914882a21797523f2782914795b…
https://github.com/Leantime/leantime/pull/3657
https://github.com/Leantime/leantime/security/advisories/GHSA-wv69-xr82-phr6
https://www.vulncheck.com/advisories/leantime-all-versions-prior-to-and-broken-…