CVE•Published 2026-04-10•Modified 2026-04-13•0 articles on news•6 live references•NVD data
CVE-2026-35665Openclaw · Openclaw
Vulnerability data via NVD (ingested)
CVSS v3.1
5.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS percentile
—
Weaknesses (CWE)
Description
OpenClaw before 2026.3.24 contains an incomplete fix for CVE-2026-32011 where the Feishu webhook handler accepts request bodies with permissive limits of 1MB and 30-second timeout before signature verification. An unauthenticated attacker can exhaust server connection resources by sending concurrent slow HTTP POST requests to the Feishu webhook endpoint, blocking legitimate webhook deliveries.
Timeline
Published 2026-04-10
Modified 2026-04-13
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-35665Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Openclaw Openclaw"All exposed Openclaw Openclaw instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Openclaw"HTTP body or banner mentions "Openclaw" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-35665Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-35665Censys host search filtered to this CVE id.
grep.app
CVE-2026-35665Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-35665GitHub code search for direct mentions.
Google dork
"CVE-2026-35665" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (1)
We haven't classified any articles referencing CVE-2026-35665 yet. The external references above still apply.