Is openclaw affected by CVE-2026-53840?

npm openclaw is affected in <2026.5.12.

Is CVE-2026-53840 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

high

CVE-2026-53840

Q: Is CVE-2026-53840 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

npm · openclaw

Summary

OpenClaw: MCP Streamable HTTP redirects could forward configured custom headers to another origin

Severity: high
EPSS: 0.2% (p13)
Also known as: GHSA-rjxq-qqhf-8hwh
Published: 2026-06-17

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-rjxq-qqhf-8hwh
https://nvd.nist.gov/vuln/detail/CVE-2026-53840
https://github.com/openclaw/openclaw

Related advisories

GHSA-w4v6-g3wm-w36c — critical · npm/openclaw
CVE-2026-44109 — critical · npm/openclaw
CVE-2026-43585 — critical · npm/openclaw
CVE-2026-41296 — critical · npm/openclaw
CVE-2026-41329 — critical · npm/openclaw
GHSA-p73f-w79w-jqr5 — high · npm/openclaw
GHSA-j472-gf56-x589 — high · npm/openclaw
GHSA-77q5-rr5v-x43q — high · npm/openclaw

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.