Path Traversal Vulnerability in AstrBot by AstrBotDevs
CVE-2026-8754

5.3MEDIUM

Key Information:

Vendor

Astrbotdevs

Status
Astrbot
Vendor
CVE Published:
17 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-8754?

A path traversal vulnerability was identified in the AstrBot product up to version 4.23.5. The issue resides in the post_file function within astrbot/dashboard/routes/chat.py, where improper handling of the 'filename' argument allows remote attackers to manipulate file paths. This manipulation could potentially lead to unauthorized file access and data exposure. Users are strongly advised to upgrade to version 4.23.6, which includes a patch (commit identifier: aaec41e5054569ceaa1113593a34da7568e2d211) to remediate this security flaw.

Affected Version(s)

AstrBot 4.23.0

AstrBot 4.23.1

AstrBot 4.23.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-8754 - Proof of Concept

References

https://vuldb.com/vuln/364381
vdb-entrytechnical-description
https://vuldb.com/vuln/364381/cti
signaturepermissions-required
https://vuldb.com/submit/811172
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Eric-a (VulDB User)
.