CVE-2026-16129CWE-183CWE-184

princezuda SafestClaw Built-in Web shell.py ShellAction._validate_command incomplete blacklist

Medium · published July 18, 2026

CVSS v4.0
4.8
EPSS
0%
Percentile
24.1
In the wild
Unconfirmed
What it is

A vulnerability has been found in princezuda SafestClaw up to 4.2.4. This vulnerability affects the function ShellAction._validate_command of the file src/safestclaw/actions/shell.py of the component Built-in Web Interface. Such manipulation leads to incomplete blacklist. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The presence of this vulnerability remains uncertain at this time. The project maintainer explains: "On paper you're correct, this is a vulnerability. In practice, nothing your AI generated shows how it makes users vulnerable. It's open source. Someone can mod the shell allow list or remove that system. Present an actual poc that shows a threat to users."

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
0.00323 · 24.1th percentile
Weaknesses
CWE-183 · Permissive List of Allowed Inputs; CWE-184 · Incomplete List of Disallowed Inputs
Published
2026-07-18T17:00Z
EPSS history
Timeline
  • 18 JUL 17:00Z
    princezuda SafestClaw Built-in Web shell.py ShellAction._validate_command incomplete blacklist
    cvelistv5