{
    "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"
            }
        }
    }
}