{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-34851", "assignerOrgId": "25ac1063-e409-4190-8079-24548c77ea2e", "state": "PUBLISHED", "assignerShortName": "huawei", "dateReserved": "2026-03-31T01:11:13.700Z", "datePublished": "2026-04-13T03:44:41.983Z", "dateUpdated": "2026-04-13T03:44:41.983Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "25ac1063-e409-4190-8079-24548c77ea2e", "shortName": "huawei", "dateUpdated": "2026-04-13T03:44:41.983Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-362", "description": "CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')", "type": "CWE"}]}], "affected": [{"vendor": "Huawei", "product": "HarmonyOS", "versions": [{"status": "affected", "version": "5.1.0"}, {"status": "affected", "version": "6.0.0"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Race condition vulnerability in the event notification module.\nImpact: Successful exploitation of this vulnerability may affect availability.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Race condition vulnerability in the event notification module.<br>Impact: Successful exploitation of this vulnerability may affect availability."}]}], "references": [{"url": "https://consumer.huawei.com/en/support/bulletin/2026/4/"}, {"url": "https://consumer.huawei.com/en/support/bulletinlaptops/2026/4/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW", "baseSeverity": "LOW", "baseScore": 2.2, "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.1"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Race condition vulnerability in the event notification module.\nImpact: Successful exploitation of this vulnerability may affect availability."}], "id": "CVE-2026-34851", "lastModified": "2026-04-13T04:16:11.513", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 2.2, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 1.4, "source": "psirt@huawei.com", "type": "Secondary"}]}, "published": "2026-04-13T04:16:11.513", "references": [{"source": "psirt@huawei.com", "url": "https://consumer.huawei.com/en/support/bulletin/2026/4/"}, {"source": "psirt@huawei.com", "url": "https://consumer.huawei.com/en/support/bulletinlaptops/2026/4/"}], "sourceIdentifier": "psirt@huawei.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}], "source": "psirt@huawei.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "5.1.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.0.0"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "HarmonyOS", "source": "cna", "vendor": "Huawei"}, "product": "harmonyos", "vendor": "huawei"}], "analysis": {"en": {"generated_at": "2026-04-13T06:27:24.235004+00:00", "value": {"mitigation_remediation": ["Check Huawei\u2019s support portal for updates or patches addressing the event notification race condition.", "If a patch is unavailable, monitor system logs for abnormal event notification patterns and consider temporarily disabling the affected notification feature.", "Ensure device firmware and operating system are kept up to date with the latest vendor releases to reduce exposure."], "summary": {"action": "Assess Impact", "impact": "Availability impact (possible denial of service)"}, "threat_synthesis": {"affected_systems": "Huawei HarmonyOS devices are affected. No specific version information is provided in the advisory.", "description_and_impact": "A race condition exists in the event notification module of Huawei HarmonyOS, allowing an attacker to manipulate event timing and potentially corrupt the notification handling. The flaw can cause services to crash or become unresponsive, resulting in a loss of availability for affected applications.", "risk_and_exploitability": "The CVSS base score of 2.2 indicates low severity, yet the availability impact warrants attention. The exploit probability score is unavailable, and the vulnerability is not listed in the CISA known exploited vulnerabilities catalog. Based on the description, the likely attack vector involves local or privileged execution where an attacker can influence event timing to trigger the race condition. No additional exploitation conditions are detailed in the advisory."}}}}, "created": "2026-04-13T12:37:44.294306+00:00", "title": "Race Condition in HarmonyOS Event Notification Module Leading to Availability Issues", "updated": "2026-04-13T12:53:31.723233+00:00", "vendors": ["huawei", "huawei$PRODUCT$harmonyos"]}