{ "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": "2026-08-31T19:17:53.121Z" }, "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." } ], "affected": [ { "vendor": "Redis", "product": "Redis", "defaultStatus": "unknown", "versions": [ { "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" }, { "version": "7.4.11", "status": "unaffected" }, { "version": "6.2.24", "status": "unaffected" }, { "version": "7.2.16", "status": "unaffected" }, { "version": "0", "status": "affected", "lessThan": "8.8.2", "versionType": "custom" }, { "version": "0", "status": "affected", "lessThan": "8.2.9", "versionType": "custom" }, { "version": "0", "status": "affected", "lessThan": "8.4.6", "versionType": "custom" }, { "version": "0", "status": "affected", "lessThan": "8.6.6", "versionType": "custom" }, { "version": "0", "status": "affected", 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] } ], "problemTypes": [ { "descriptions": [ { "description": "CWE-416 Use After Free", "lang": "en", "type": "CWE", "cweId": "CWE-416" } ] } ], "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH" } }, { "cvssV4_0": { "version": "4.0", "baseScore": 7.5, "attackVector": "ADJACENT", "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:A/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "userInteraction": "NONE", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "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" ] }, { "name": "url", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-26-239-01.json", "tags": [ "third-party-advisory" ] }, { "name": "url", "url": "https://www.cve.org/CVERecord?id=CVE-2026-81934", "tags": [ "vdb-entry" ] }, { "name": "url", "url": "https://github.com/redis/redis/releases/tag/6.2.24", "tags": [ "release-notes" ] }, { "name": "url", "url": "https://github.com/redis/redis/releases/tag/7.2.16", "tags": [ "release-notes" ] }, { "name": "url", "url": "https://github.com/redis/redis/releases/tag/7.4.11", "tags": [ "release-notes" ] }, { "name": "url", "url": "https://github.com/redis/redis/releases/tag/8.4.6", "tags": [ "release-notes" ] }, { "name": "url", "url": 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