CVE-2026-53855

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

HIGH
8.1
CVSS Score
Published: June 16, 2026 at 06:05 PM UTC
Updated: October 25, 2026 at 11:10 PM UTC
1 product affected across 1 vendorOpenClaw

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Severity
HIGH8.1
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2026.4.2
Vendor states this is fixed in 2026.4.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGHVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-184CWE-863

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