{"id":"CVE-2026-32066","aliases":["GHSA-wr6m-jg37-68xh"],"url":"https://o3.security/vulnerability/CVE-2026-32066","summary":"OpenClaw < 2026.3.1 - Unbounded Memory Growth in Zalo Webhook via Query String Key Churn","details":"### Summary\nUnauthenticated requests to a reachable Zalo webhook endpoint could trigger unbounded in-memory key growth by varying query strings on the same valid webhook route.\n\n### Impact\nAn attacker could cause memory pressure and potential process instability or OOM, degrading availability.\n\n### Fix\nWebhook security tracking now normalizes keys to matched webhook path semantics (query excluded) and bounds/prunes tracking state to prevent unbounded growth.\n\n### Affected and Patched Versions\n- Affected: `<= 2026.2.26`\n- Patched: `2026.3.1`","published":"2026-03-19T01:00:46.834Z","modified":"2026-08-12T03:51:36.343695887Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"openclaw","fixedVersion":"2026.3.1"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28461.json"},{"type":"ADVISORY","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-wr6m-jg37-68xh"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28461"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/openclaw-unbounded-memory-growth-in-zalo-webhook-via-query-string-key-churn"},{"type":"PACKAGE","url":"https://github.com/openclaw/openclaw"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:36.343695887Z"}}