Is CVE-2026-53806 in the CISA KEV catalog?

No. CVE-2026-53806 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-53806?

CVE-2026-53806 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2026-53806?

CVE-2026-53806 has an EPSS score of 0.42% (33th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-53806

HIGH

8.8

CVSS v3

NVD

Description

OpenClaw before 2026.5.12 contains a shell option parsing vulnerability that allows combined POSIX shell flags to bypass exec revalidation checks. Attackers can exploit this by using combined shell options to execute inline shell content without intended allowlist validation, potentially enabling unauthorized command execution when the affected feature is enabled.

CWE-367TOCTOU Race Condition

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.42%probability of exploitation in 30 days

33rdpercentile

Low risk: more likely to be exploited than 33% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-12.