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CVE-2026-15510— Leantime API saveSetting improper authorization

Quick assessment

Affected
n/a Leantime
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Leantime是Leantime公司开源的一个面向非项目经理的以目标为中心的项目管理系统。 Leantime 3.8.0及之前版本存在安全漏洞，该漏洞源于API组件中Setting::saveSetting函数存在授权不当问题，可能导致远程攻击。

CVSS 6.3 · Medium EPSS 0.35% · P26

Affected Version Matrix 9

VendorProduct Version RangeStatus
n/a Leantime 3.0 affected
3.1 affected
3.2 affected
3.3 affected
3.4 affected
3.5 affected
3.6 affected
3.7 affected
… +1 more rows
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I. Basic Information for CVE-2026-15510

Vulnerability Information
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Vulnerability Title
Leantime API saveSetting improper authorization
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Leantime up to 3.8.0. Affected is the function Setting::saveSetting of the component API. The manipulation results in improper authorization. The attack may be performed from remote. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Leantime 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Leantime是Leantime公司开源的一个面向非项目经理的以目标为中心的项目管理系统。 Leantime 3.8.0及之前版本存在安全漏洞，该漏洞源于API组件中Setting::saveSetting函数存在授权不当问题，可能导致远程攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- Leantime 3.0 cpe:2.3:a:leantime:leantime:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-15510

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III. Intelligence Information for CVE-2026-15510

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Security Blog Posts for CVE-2026-15510 (1)

Same Patch Batch · n/a · 2026-07-12 · 3 CVEs total

CVE-2026-15509 6.3 MEDIUM Leantime JSON-RPC Endpoint addUser improper authorization
CVE-2026-15478 6.3 MEDIUM IceHRM UserReport Endpoint EmployeeAttendanceReport.php sql injection

IV. Related Vulnerabilities

Same product: Leantime
Same vendor: n/a
Same weakness: CWE-285

V. Comments for CVE-2026-15510

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