CVE-2026-16129 (GCVE-0-2026-16129)

Vulnerability from cvelistv5 – Published: 2026-07-18 17:00 – Updated: 2026-07-22 15:47 Disputed
VLAI
Title
princezuda SafestClaw Built-in Web shell.py ShellAction._validate_command incomplete blacklist
Summary
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."
Severity
4.8 (Medium)
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
5.3 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
5.3 (Medium)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-184 - Incomplete Blacklist
  • CWE-183 - Permissive List of Allowed Inputs
Assigner
References
URL Tags
https://vuldb.com/vuln/379845 vdb-entrytechnical-description
https://vuldb.com/vuln/379845/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-16129 third-party-advisory
https://vuldb.com/submit/856882 third-party-advisory
https://github.com/princezuda/safestclaw/issues/59 exploitissue-tracking
https://github.com/princezuda/safestclaw/ product
Impacted products
Vendor Product Version
princezuda SafestClaw Affected: 4.2.0
Affected: 4.2.1
Affected: 4.2.2
Affected: 4.2.3
Affected: 4.2.4
    cpe:2.3:a:princezuda:safestclaw:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Eric-x (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.