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CVE-2026-8754— AstrBotDevs AstrBot File Upload chat.py post_file path traversal

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开源的一个多平台 LLM 聊天机器人及开发框架。 AstrBot 4.23.5及之前版本存在路径遍历漏洞，该漏洞源于File Upload Handler组件中chat.py文件的post_file函数对参数filename处理不当，导致路径遍历。攻击者可能远程利用此漏洞。

CVSS 6.3 · Medium EPSS 0.36% · P29

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 7

VendorProduct Version RangeStatus
AstrBotDevs AstrBot 4.23.0 affected
4.23.1 affected
4.23.2 affected
4.23.3 affected
4.23.4 affected
4.23.5 affected
4.23.6 unaffected
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I. Basic Information for CVE-2026-8754

Vulnerability Information
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Vulnerability Title
AstrBotDevs AstrBot File Upload chat.py post_file path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in AstrBotDevs AstrBot up to 4.23.5. Impacted is the function post_file of the file astrbot/dashboard/routes/chat.py of the component File Upload Handler. The manipulation of the argument filename results in path traversal. It is possible to launch the attack remotely. The exploit is now public and may be used. Upgrading to version 4.23.6 is recommended to address this issue. The patch is identified as aaec41e5054569ceaa1113593a34da7568e2d211. You should upgrade the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
AstrBot 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AstrBot是AstrBot开源的一个多平台 LLM 聊天机器人及开发框架。 AstrBot 4.23.5及之前版本存在路径遍历漏洞，该漏洞源于File Upload Handler组件中chat.py文件的post_file函数对参数filename处理不当，导致路径遍历。攻击者可能远程利用此漏洞。
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 4.23.0 cpe:2.3:a:astrbot:astrbot:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-8754

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III. Intelligence Information for CVE-2026-8754

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Patches & Fixes for CVE-2026-8754 (1)

Proof of Concept for CVE-2026-8754 (1)

Other References for CVE-2026-8754 (2)

IV. Related Vulnerabilities

Same product: AstrBot
Same vendor: AstrBotDevs
Same weakness: CWE-22

V. Comments for CVE-2026-8754

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