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TI-2026-38851 Aliases CVE-2026-53855GHSA-5cj2-3jr2-5h77

OpenClaw < 2026.4.2 - Shell Positional Parameters Bypass in Inline-Eval Checks

Priority LOW 35CWE-184Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
Security bypass, Privilege escalation, Code execution
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-863, CWE-269 and CWE-78.

Summary

OpenClaw before 2026.4.2 contains an inline-eval bypass vulnerability allowing authenticated operators to weaken strict allowlist checks via shell positional parameters. Attackers can combine allowlisted tools with shell positional arguments to place inline-eval content in shell carriers outside intended allowlist rules, enabling execution of unapproved shell-provided content.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0026 17th percentileScored 2026-11-07
Fix Fixed OpenClaw (OpenClaw): 2026.4.2openclaw (npm): 2026.4.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OpenClawOpenClawbefore 2026.4.22026.4.2Patch availableCNA
—openclaw (npm)before 2026.4.22026.4.2Patch availableGHSA-5cj2-3jr2-5h77
  • OpenClaw VendorOpenClaw Affected before 2026.4.2 Fixed in 2026.4.2 Patch available CNA
  • openclaw (npm) Vendor— Affected before 2026.4.2 Fixed in 2026.4.2 Patch available GHSA-5cj2-3jr2-5h77

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*before 2026.4.2VulnerableOpenClaw
  • cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:* Versions before 2026.4.2 Vulnerable ·OpenClaw

Remediation

  • Fix · CNA OpenClaw (OpenClaw) Fixed in 2026.4.2
  • Fix · GHSA-5cj2-3jr2-5h77 openclaw (npm) Fixed in 2026.4.2 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-53855
  2. 2026-10-03 Alias added: GHSA-5cj2-3jr2-5h77

References

Advisory 2

Other 1

  • TI-2026-25309 OpenClaw < 2026.3.28 Media Parsing Path Traversal to Arbitrary File Read CVSS 4.0HIGH 8.7
  • TI-2026-20394 Exposure of resource to wrong sphere in OpenClaw CVSS 3.1HIGH 8.8
  • TI-2026-27742 OpenClaw < 2026.3.24 - Arbitrary Code Execution via .npmrc in Local Plugin/Hook Installation CVSS 4.0HIGH 8.4
  • TI-2026-27766 OpenClaw < 2026.3.24 - Denial of Service via Feishu Webhook Pre-Auth Body Parsing CVSS 4.0MEDIUM 6.9
  • TI-2026-07315 OpenClaw bluebubbles Webhook monitor.ts handleBlueBubblesWebhookRequest improper authentication CVSS 4.0MEDIUM 6.9
  • TI-2026-17789 OpenClaw < 2026.2.22 - Allowlist Bypass via Command Substitution in system.run CVSS 4.0HIGH 7.5
See all 574 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences