CVE-2026-53855

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.

CVSS 4.0

7.6CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

8.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 17% of CVEs (scores of 2026-10-25)

CWEs

CWE-184, CWE-863

Published

2026-06-16

Modified

2026-10-25

Record from

the NVD, synced 2026-10-25

Affected

• openclaw:openclaw

Packages (OSV)

References

• https://github.com/openclaw/openclaw/security/advisories/GHSA-5cj2-3jr2-5h77
• https://www.vulncheck.com/advisories/openclaw-shell-positional-parameters-bypass-in-inline-eval-checks

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