{"id":"GHSA-v2v2-f783-358j","summary":"OpenClaw: Zalo channel downloads media before sender authorization","details":"## Summary\n\nThe Zalo image path fetched and stored inbound media before the DM/pairing authorization checks ran.\n\n## Impact\n\nUnauthorized senders could force network fetches and disk writes in the inbound media store even when the message itself was rejected.\n\n## Affected Component\n\n`extensions/zalo/src/monitor.ts`\n\n## Fixed Versions\n\n- Affected: `\u003c= 2026.3.24`\n- Patched: `\u003e= 2026.3.28`\n- Latest stable `2026.3.28` contains the fix.\n\n## Fix\n\nFixed by commit `68ceaf7a5f` (`zalo: gate image downloads before DM auth`).\n\nOpenClaw thanks @AntAISecurityLab for reporting.","aliases":["CVE-2026-33576"],"modified":"2026-04-06T17:46:25.041364Z","published":"2026-03-31T23:50:44Z","database_specific":{"cwe_ids":["CWE-862","CWE-863"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2026-03-31T23:50:44Z","nvd_published_at":"2026-03-31T15:16:14Z"},"references":[{"type":"WEB","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358j"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33576"},{"type":"WEB","url":"https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b497218312a"},{"type":"PACKAGE","url":"https://github.com/openclaw/openclaw"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-zalo-channel"}],"affected":[{"package":{"name":"openclaw","ecosystem":"npm","purl":"pkg:npm/openclaw"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.3.28"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-v2v2-f783-358j/GHSA-v2v2-f783-358j.json","last_known_affected_version_range":"\u003c= 2026.3.24"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"}]}