{"cve":"CVE-2026-35633","nvd":{"published":"2026-04-09T22:16:32.187","modified":"2026-06-17T10:40:54.393","status":"Analyzed","description":"OpenClaw before 2026.3.22 contains an unbounded memory allocation vulnerability in remote media HTTP error handling that allows attackers to trigger excessive memory consumption. Attackers can send crafted HTTP error responses with large bodies to remote media endpoints, causing the application to allocate unbounded memory before failure handling occurs.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":6.9},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3},"cwes":["CWE-770","CWE-789"],"references":["https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87","https://github.com/openclaw/openclaw/commit/81445a901091a5d27ef0b56fceedbe4724566438","https://github.com/openclaw/openclaw/security/advisories/GHSA-4qwc-c7g9-4xcw","https://www.vulncheck.com/advisories/openclaw-unbounded-memory-allocation-via-remote-media-error-responses"],"products":["openclaw:openclaw"],"source":"nvd","synced_at":"2026-10-19T22:28:59.047572785+00:00"},"epss":{"cve":"CVE-2026-35633","score":0.0036,"percentile":0.29823,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-4qwc-c7g9-4xcw","url":"https://osv.dev/vulnerability/GHSA-4qwc-c7g9-4xcw","summary":"OpenClaw: Remote media error responses could trigger unbounded memory allocation before failure","modified":"2026-04-10T20:42:17.993650Z","packages":[{"ecosystem":"npm","name":"openclaw","purl":"pkg:npm/openclaw","ranges":["<2026.3.22"],"fixed":["2026.3.22"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}