CVE-2026-16129: Incomplete Blacklist in princezuda SafestClaw
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."
AI Analysis
Technical Summary
This vulnerability affects the ShellAction._validate_command function in the src/safestclaw/actions/shell.py component of princezuda SafestClaw up to version 4.2.4. It results in an incomplete blacklist implementation that could allow local attackers to execute commands not properly blocked by the blacklist. The project maintainer acknowledges the theoretical vulnerability but states that no practical exploit or proof-of-concept has been demonstrated, and users can modify or remove the shell allow list due to the open-source nature of the software. The vulnerability has been publicly disclosed but remains unconfirmed in terms of real-world impact.
Potential Impact
The impact is limited to local attackers who have access to the system running SafestClaw. The incomplete blacklist may allow execution of unauthorized shell commands, but no confirmed exploit or demonstrated user risk exists. The CVSS score of 4.8 reflects a medium severity with local attack vector and low complexity. There is no evidence of exploitation in the wild.
Mitigation Recommendations
No official patch or remediation is currently available. Users should monitor the vendor or project maintainer communications for updates. Given the open-source nature of SafestClaw, users can modify or remove the shell allow list as a potential workaround. Since no confirmed exploit exists, urgent action is not mandated but caution is advised for local access control.
CVE-2026-16129: Incomplete Blacklist in princezuda SafestClaw
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."
CVSS v4.0
Score 4.8medium
Affected software
pkg:github/princezuda/safestclawcpe:2.3:a:princezuda:safestclaw:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the ShellAction._validate_command function in the src/safestclaw/actions/shell.py component of princezuda SafestClaw up to version 4.2.4. It results in an incomplete blacklist implementation that could allow local attackers to execute commands not properly blocked by the blacklist. The project maintainer acknowledges the theoretical vulnerability but states that no practical exploit or proof-of-concept has been demonstrated, and users can modify or remove the shell allow list due to the open-source nature of the software. The vulnerability has been publicly disclosed but remains unconfirmed in terms of real-world impact.
Potential Impact
The impact is limited to local attackers who have access to the system running SafestClaw. The incomplete blacklist may allow execution of unauthorized shell commands, but no confirmed exploit or demonstrated user risk exists. The CVSS score of 4.8 reflects a medium severity with local attack vector and low complexity. There is no evidence of exploitation in the wild.
Mitigation Recommendations
No official patch or remediation is currently available. Users should monitor the vendor or project maintainer communications for updates. Given the open-source nature of SafestClaw, users can modify or remove the shell allow list as a potential workaround. Since no confirmed exploit exists, urgent action is not mandated but caution is advised for local access control.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-07-17T16:13:27.659Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a5bb4ba44ab8fbf7c96e1ec
Added to database: 07/18/2026, 17:15:38 UTC
Last enriched: 07/18/2026, 17:27:40 UTC
Last updated: 07/18/2026, 17:43:06 UTC
Views: 10
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