CVE-2026-16129

MEDIUM

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

Title source: cna
STIX 2.1

Description

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."

References (6)

Core 6
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-379845 | princezuda SafestClaw Built-in Web shell.py ShellAction._validate_command incomplete blacklist
https://vuldb.com/vuln/379845
Signature, Permissions Required signature permissions-required
VDB-379845 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/379845/cti
Third Party Advisory third-party-advisory
CVE-2026-16129 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-16129
Third Party Advisory third-party-advisory
Submit #856882 | princezuda safestclaw 4.2.4 Incomplete List of Disallowed Inputs (CWE-184)
https://vuldb.com/submit/856882

Scores

CVSS v3 5.3
EPSS 0.0023
EPSS Percentile 13.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-183 CWE-184
Status published
Products (5)
princezuda/SafestClaw 4.2.0
princezuda/SafestClaw 4.2.1
princezuda/SafestClaw 4.2.2
princezuda/SafestClaw 4.2.3
princezuda/SafestClaw 4.2.4
Published Jul 18, 2026
Tracked Since Jul 18, 2026