CVE-2026-111869
makeplane API Endpoint reliance on untrusted inputs in a security decision
- State
- Published
- Severity
- 6.9 Medium
- Published
- Oct 18, 2026
- Updated
- Oct 22, 2026
- Reserved
- Oct 17, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
planemakeplane |
|
References
- VDB-421581 | makeplane API Endpoint reliance on untrusted inputs in a security decisionvdb-entrytechnical-description
- VDB-421581 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-111869 | CVE Analysis and Reportthird-party-advisory
- Submit #1004923 | makeplane plane <=1.4.2 Use of Less Trusted Sourcethird-party-advisory
- Submit #1005105 | GitHub Plane Community Edition / Plane Self-Hosted v0.14-dev through v1.4.2 Unauthenticated User Enumeration with Authentication Rate-Limit (Duplicate)third-party-advisory
- https://github.com/makeplane/plane/issues/9913exploitissue-tracking
- https://github.com/makeplane/plane/product
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