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CVE-2026-53820

6.9 mediumEPSS 0.09%

Medium (6.9) in openclaw openclaw. EPSS 0.09% chance of exploitation in the next 30 days. Fixed in openclaw 2026.5.12.

OpenClaw before 2026.5.12 contains an exec denylist bypass vulnerability in the bundle MCP loopback session-spawn path that allows authenticated callers to bypass intended command restrictions. Attackers can reach the affected bundled MCP session-spawn path to start sessions with broader command reach than intended.

Severity

CVSS 4.0

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

CVSS 3.1

6.6 medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
EPSS
0.09% chance of exploitation in the next 30 days; higher than 0% of CVEs (scores of 2026-10-31)
CWE
CWE-862
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-qh2f-99mv-mrcfnpmopenclaw<2026.5.122026.5.12

References

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