---
id: CVE-2026-16075
title: A flaw has been found in AstrBotDevs AstrBot up to 4.25.5
summary: >-
  A flaw has been found in AstrBotDevs AstrBot up to 4.25.5. This vulnerability
  affects the function OpenApiRoute.get_chat_sessions of the file
  astrbot/dashboard/routes/open_api.py of the component session-listing
  Endpoint. This manipulati…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-285
  - CWE-639
published: '2026-07-18'
updated: '2026-07-18'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-16075'
references:
  - url: 'https://gist.github.com/YLChen-007/5fee3adfd95333b0f4eff8165af61f81'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-16075'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/852863'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/379790'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/379790/cti'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00374
epssPercentile: 0.28564
ingestedAt: '2026-07-18T22:25:39.566Z'
---

## Overview

A flaw has been found in AstrBotDevs AstrBot up to 4.25.5. This vulnerability affects the function OpenApiRoute.get_chat_sessions of the file astrbot/dashboard/routes/open_api.py of the component session-listing Endpoint. This manipulation of the argument Username causes authorization bypass. It is possible to initiate the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## Remediation

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