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CVE-2026-59712

Leantime - JSON-RPC API Broken Access Control via users.getUser

CVSS 4.0 8.6 HIGHCVSS 3.1 8.1 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-59712

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-59712

Published

Leantime

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Leantime",
                    "product": "Leantime",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:github/Leantime/leantime",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThanOrEqual": "3.4.4"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON