CVE-2026-16077 MEDIUM

CVE-2026-16077: AstrBotDevs AstrBot Filesystem Computer-Use Tool fs.py _normalize_rw_path link following

Vendor Astrbotdevs
Product AstrBot
Weakness CWE-59
Published July 18, 2026
Last update July 20, 2026

CVSS base score

4.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was found in AstrBotDevs AstrBot up to 4.25.5. Impacted is the function _normalize_rw_path of the file astrbot/core/tools/computer_tools/fs.py of the component Filesystem Computer-Use Tool. Performing a manipulation results in link following. The attack is only possible with local access. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Key dates

02Disclosure timeline

July 18, 2026 CVE published
July 20, 2026 Record updated