CVE-2026-111869 PUBLISHED

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.

• ZAST.AI (VulDB User) reporter

• VDB-421581 | makeplane API Endpoint reliance on untrusted inputs in a security decision
• VDB-421581 | CTI Indicators (IOB, IOC, IOA)
• CVE-2026-111869 | CVE Analysis and Report
• Submit #1004923 | makeplane plane <=1.4.2 Use of Less Trusted Source
• Submit #1005105 | GitHub Plane Community Edition / Plane Self-Hosted v0.14-dev through v1.4.2 Unauthenticated User Enumeration with Authentication Rate-Limit (Duplicate)
• https://github.com/makeplane/plane/issues/9913
• https://github.com/makeplane/plane/

• Reliance on Untrusted Inputs in a Security Decision CWE
• Improper Input Validation CWE