{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-81934", "assignerOrgId": "9119a7d8-5eab-497f-8521-727c672e3725", "state": "PUBLISHED", "assignerShortName": "cisa-cg", "dateReserved": "2026-08-27T19:15:11.715Z", "datePublished": "2026-08-27T19:40:15.141Z", "dateUpdated": "2026-08-27T19:40:15.141Z"}, "containers": {"cna": {"descriptions": [{"lang": "en", "value": "Redis contains a use-after-free vulnerability in the 'tlsProcessPendingData()' function, which handles the TLS pending-data list if Redis is configured with TLS support. A remote, unauthenticated attacker may be able to execute arbitrary commands with the privileges of the Redis server. Fixed in Redis 8.2.9, 8.4.6, 8.6.6, 8.8.2, and 8.10.1."}], "affected": [{"vendor": "Redis", "product": "Redis", "defaultStatus": "unknown", "versions": [{"version": "8.8.0", "status": "affected"}, {"version": "8.2.9", "status": "unaffected"}, {"version": "8.4.6", "status": "unaffected"}, {"version": "8.6.6", "status": "unaffected"}, {"version": "8.8.2", "status": "unaffected"}, {"version": "8.10.1", "status": "unaffected"}]}], "problemTypes": [{"descriptions": [{"description": "CWE-416 Use After Free", "lang": "en", "type": "CWE", "cweId": "CWE-416"}]}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 9.2, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH"}}, {"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-08-27T19:12:51.964039Z", "id": "CVE-2026-81934", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "Redis TLS pending-data list use-after-free", "references": [{"name": "url", "url": "https://github.com/redis/redis/commit/6d088c335d5c3ec49a6c28486140b498e70b7834", "tags": ["patch"]}, {"name": "url", "url": "https://github.com/v12-security/pocs/tree/main/redis/server_ssl", "tags": ["exploit"]}, {"name": "url", "url": "https://raw.githubusercontent.com/redis/redis/8.2/00-RELEASENOTES", "tags": ["release-notes"]}, {"name": "url", "url": "https://raw.githubusercontent.com/redis/redis/8.4/00-RELEASENOTES", "tags": ["release-notes"]}, {"name": "url", "url": "https://raw.githubusercontent.com/redis/redis/8.6/00-RELEASENOTES", "tags": ["release-notes"]}, {"name": "url", "url": "https://raw.githubusercontent.com/redis/redis/8.8/00-RELEASENOTES", "tags": ["release-notes"]}, {"name": "url", "url": "https://raw.githubusercontent.com/redis/redis/8.10/00-RELEASENOTES", "tags": ["release-notes"]}], "datePublic": "2026-08-17T00:00:00.000Z", "providerMetadata": {"orgId": "9119a7d8-5eab-497f-8521-727c672e3725", "shortName": "cisa-cg", "dateUpdated": "2026-08-27T19:40:15.141Z"}}}}

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