CVE-2026-66412

Source
https://cve.org/CVERecord?id=CVE-2026-66412
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-66412.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-66412
Aliases
  • GHSA-wv69-xr82-phr6
Published
2026-07-27T05:23:20Z
Modified
2026-08-12T03:51:10Z
Severity
  • 7.1 (High) CVSS_V4 - 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 CVSS Calculator
Summary
Leantime all versions prior to and 3.6.2 Broken Access Control via tickets.getMilestone JSON-RPC
Details

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.

Database specific
{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/66xxx/CVE-2026-66412.json"
}
References

Affected packages

Git / github.com/leantime/leantime

Affected ranges

Type
GIT
Repo
https://github.com/leantime/leantime
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Database specific
Show details
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "3.6.2"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "REFERENCES"
    ]
}

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-66412.json"