CVE-2026-16129
MEDIUMprincezuda SafestClaw Built-in Web shell.py ShellAction._validate_command incomplete blacklist
Title source: cnaDescription
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
Exploit exploit
issue-tracking
https://github.com/princezuda/safestclaw/issues/59
Product product
https://github.com/princezuda/safestclaw/
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