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CVE-2026-16075— AstrBotDevs AstrBot session-listing Endpoint open_api.py OpenApiRoute.get_chat_sessions authorization

Quick assessment

Affected
AstrBotDevs AstrBot
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.

AstrBot是AstrBot团队开源的一个多平台 LLM 聊天机器人及开发框架。 AstrBot 4.25.5及之前版本存在授权问题漏洞，该漏洞源于文件astrbot/dashboard/routes/open_api.py中session-listing Endpoint组件的OpenApiRoute.get_chat_sessions函数对Username参数操作不当，导致授权绕过。

CVSS 4.3 · Medium EPSS 0.22% · P13

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 6

VendorProduct Version RangeStatus
AstrBotDevs AstrBot 4.25.0 affected
4.25.1 affected
4.25.2 affected
4.25.3 affected
4.25.4 affected
4.25.5 affected
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I. Basic Information for CVE-2026-16075

Vulnerability Information
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Vulnerability Title
AstrBotDevs AstrBot session-listing Endpoint open_api.py OpenApiRoute.get_chat_sessions authorization
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
AstrBot 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AstrBot是AstrBot团队开源的一个多平台 LLM 聊天机器人及开发框架。 AstrBot 4.25.5及之前版本存在授权问题漏洞，该漏洞源于文件astrbot/dashboard/routes/open_api.py中session-listing Endpoint组件的OpenApiRoute.get_chat_sessions函数对Username参数操作不当，导致授权绕过。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
AstrBotDevs AstrBot 4.25.0 cpe:2.3:a:astrbot:astrbot:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-16075

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III. Intelligence Information for CVE-2026-16075

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Proof of Concept for CVE-2026-16075 (1)

Same Patch Batch · AstrBotDevs · 2026-07-18 · 3 CVEs total

CVE-2026-16076 6.3 MEDIUM AstrBotDevs AstrBot API open_api.py OpenApiRoute.chat_send authentication spoofing
CVE-2026-16077 5.3 MEDIUM AstrBotDevs AstrBot Filesystem Computer-Use Tool fs.py _normalize_rw_path link following

IV. Related Vulnerabilities

Same product: AstrBot
Same vendor: AstrBotDevs
Same weakness: CWE-639

V. Comments for CVE-2026-16075

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