CVE-2026-16077CWE-59

AstrBotDevs AstrBot Filesystem Computer-Use Tool fs.py _normalize_rw_path link following

Medium · published July 18, 2026

CVSS v4.0
4.8
EPSS
0%
Percentile
10.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
4.8 · MEDIUM
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
EPSS
0.00210 · 10.7th percentile
Weakness
CWE-59 · Improper Link Resolution Before File Access ('Link Following')
Published
2026-07-18T06:45Z
EPSS history
Timeline
  • 18 JUL 06:45Z
    AstrBotDevs AstrBot Filesystem Computer-Use Tool fs.py _normalize_rw_path link following
    cvelistv5