---
id: CVE-2026-111324
title: rustdesk-api through 2.7 Authorization Bypass via POST /api/sysinfo
summary: >-
  rustdesk-api through 2.7 contains an authorization bypass vulnerability that
  allows unauthenticated attackers to overwrite existing peer records by
  supplying only a target device ID to POST /api/sysinfo. Attackers can
  overwrite hostname,…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'
cvssSource: cna
cwe:
  - CWE-639
vendor: lejianwen
product: rustdesk-api
affected:
  - rustdesk-api <= 2.7
published: '2026-10-15'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T21:43:32.384Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-111324'
references:
  - url: 'https://hackmd.io/@hieuPenguinnn/rustdesk-api-sysinfo-unauth-peer-tamper'
  - url: >-
      https://github.com/lejianwen/rustdesk-api/blob/v2.7/http/router/api.go#L60-L76
  - url: >-
      https://github.com/lejianwen/rustdesk-api/blob/v2.7/http/controller/api/peer.go#L26-L57
  - url: 'https://github.com/lejianwen/rustdesk-api'
  - url: >-
      https://www.vulncheck.com/advisories/rustdesk-api-through-2.7-authorization-bypass-via-post-api-sysinfo
    label: >-
      VulnCheck Advisory: rustdesk-api through 2.7 Authorization Bypass via POST
      /api/sysinfo
tags:
  - cve.org
ingestedAt: '2026-10-15T22:48:25.452Z'
---

## Overview

rustdesk-api through 2.7 contains an authorization bypass vulnerability that allows unauthenticated attackers to overwrite existing peer records by supplying only a target device ID to POST /api/sysinfo. Attackers can overwrite hostname, username, OS and uuid without uuid verification, then log in presenting that uuid to rebind the peer to their account.

## Affected

- `rustdesk-api <= 2.7`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.