{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-86713", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-09-08T10:58:30.836Z", "datePublished": "2026-09-08T11:23:05.792Z", "dateUpdated": "2026-09-08T12:20:00.829Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-08T11:23:05.792Z"}, "datePublic": "2026-09-04T00:00:00.000Z", "title": "PX4 Autopilot through 1.17.0 Use-After-Free in load_mon", "descriptions": [{"lang": "en", "value": "PX4 Autopilot through 1.17.0 contains a use-after-free vulnerability in the load_mon module's stop path where exit_and_cleanup() deletes the LoadMon object and frees the performance counter before perf_end() attempts to access it. Attackers can trigger this vulnerability by issuing the load_mon stop command from any PXH or MAVLink shell, causing reads and writes through freed memory that corrupt heap objects and destabilize the flight stack."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Use After Free", "cweId": "CWE-416", "type": "CWE"}]}], "affected": [{"vendor": "PX4", "product": "PX4-Autopilot", "defaultStatus": "unaffected", "packageURL": "pkg:github/PX4/PX4-Autopilot", "collectionURL": "https://github.com/PX4/PX4-Autopilot", "repo": "https://github.com/PX4/PX4-Autopilot", "versions": [{"version": "0", "lessThanOrEqual": "1.17.0", "status": "affected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:px4:autopilot:*:*:*:*:*:*:*:*", "versionEndIncluding": "1.17.0"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N", "attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH"}}], "references": [{"url": "https://github.com/PX4/PX4-Autopilot/pull/28544", "tags": ["patch", "issue-tracking"], "name": "Fix Pull Request"}, {"url": "https://github.com/PX4/PX4-Autopilot/commit/354823e2efd8dd7ac47f4b8984b8e0fb06dc3b79", "tags": ["patch"], "name": "Patch Commit"}, {"url": "https://github.com/PX4/PX4-Autopilot", "tags": ["product"]}, {"url": "https://github.com/PX4/PX4-Autopilot/blob/v1.17.0/src/modules/load_mon/LoadMon.cpp", "tags": ["technical-description"], "name": "LoadMon::Run() calls perf_end(_cycle_perf) after exit_and_cleanup(), v1.17.0"}, {"name": "VulnCheck Advisory: PX4 Autopilot through 1.17.0 Use-After-Free in load_mon", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/px4-autopilot-through-1.17.0-use-after-free-in-load-mon"}], "credits": [{"lang": "en", "value": "Tianbo Wang", "type": "finder"}, {"lang": "en", "value": "Xiaoyang Chen", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}, "adp": [{"references": [{"url": "https://github.com/PX4/PX4-Autopilot/pull/28544", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-08T12:19:36.303977Z", "id": "CVE-2026-86713", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-08T12:20:00.829Z"}}]}}

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{"affected": [{"affectedData": [{"collectionURL": "https://github.com/PX4/PX4-Autopilot", "defaultStatus": "unaffected", "packageURL": "pkg:github/PX4/PX4-Autopilot", "product": "PX4-Autopilot", "repo": "https://github.com/PX4/PX4-Autopilot", "vendor": "PX4", "versions": [{"lessThanOrEqual": "1.17.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "PX4 Autopilot through 1.17.0 contains a use-after-free vulnerability in the load_mon module's stop path where exit_and_cleanup() deletes the LoadMon object and frees the performance counter before perf_end() attempts to access it. Attackers can trigger this vulnerability by issuing the load_mon stop command from any PXH or MAVLink shell, causing reads and writes through freed memory that corrupt heap objects and destabilize the flight stack."}], "id": "CVE-2026-86713", "lastModified": "2026-09-08T12:17:00.150", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.2, "source": "disclosure@vulncheck.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-09-08T12:17:00.150", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/PX4/PX4-Autopilot"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/PX4/PX4-Autopilot/blob/v1.17.0/src/modules/load_mon/LoadMon.cpp"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/PX4/PX4-Autopilot/commit/354823e2efd8dd7ac47f4b8984b8e0fb06dc3b79"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/PX4/PX4-Autopilot/pull/28544"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/px4-autopilot-through-1.17.0-use-after-free-in-load-mon"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

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