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CVE-2026-111869— makeplane API Endpoint reliance on untrusted inputs in a security decision

Quick assessment

Affected
makeplane plane
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.

在 makeplane plane 1.4.2 及以下版本中发现了一个漏洞。受影响的是组件 API 端点中的某个未知功能。对 参数的恶意篡改会导致安全决策依赖不可信的输入。该攻击可远程发起，且利用代码已公开，可能被利用。

CVSS 5.3 · Medium EPSS 0.54% · P44

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProduct Version RangeStatus
makeplane plane 1.4.0 affected
1.4.1 affected
1.4.2 affected
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I. Basic Information for CVE-2026-111869

Vulnerability Information
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Vulnerability Title
makeplane API Endpoint reliance on untrusted inputs in a security decision
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in makeplane plane up to 1.4.2. Impacted is an unknown function of the component API Endpoint. Such manipulation of the argument X-Forwarded-For leads to reliance on untrusted inputs in a security decision. It is possible to launch the attack remotely. The exploit is publicly available and might be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在安全决策中依赖未经信任的输入
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
makeplane plane 1.4.0 cpe:2.3:a:plane:plane:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-111869

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-111869

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Vendor Pages for CVE-2026-111869 (1)

Other References for CVE-2026-111869 (1)

IV. Related Vulnerabilities

Same product: plane
Same vendor: makeplane
Same weakness: CWE-807

V. Comments for CVE-2026-111869

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