CVE-2026-81934

{"id": "CVE-2026-81934", "cveTags": [], "metrics": {"ssvcV203": [{"source": "9119a7d8-5eab-497f-8521-727c672e3725", "ssvcData": {"id": "CVE-2026-81934", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-27T19:12:51.964039Z"}}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-81934", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-28T15:13:56.058373Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "9119a7d8-5eab-497f-8521-727c672e3725", "cvssData": {"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"}, "impactScore": 5.9, "exploitabilityScore": 1.2}], "cvssMetricV40": [{"type": "Secondary", "source": "9119a7d8-5eab-497f-8521-727c672e3725", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.5, "Automatable": "NOT_DEFINED", "attackVector": "ADJACENT", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "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/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "9119a7d8-5eab-497f-8521-727c672e3725", "affectedData": [{"vendor": "Redis", "product": "Redis", "versions": [{"status": "unaffected", "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": "affected", "version": "0", "lessThan": "8.8.2", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "8.2.9", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "8.4.6", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "8.6.6", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "8.10.1", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "7.4.11", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "6.2.24", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "7.2.16", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Redis", "product": "Redis Software (Enterprise)", "versions": [{"status": "unaffected", "version": "8.2.0-46"}, {"status": "unaffected", "version": "8.0.20-96"}, {"status": "unaffected", "version": "7.22.2-179"}, {"status": "unaffected", "version": "7.8.6-303"}, {"status": "affected", "version": "0", "lessThan": "8.2.0-46", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "8.0.20-96", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "7.22.2-179", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "7.8.6-303", "versionType": "custom"}], "defaultStatus": "unknown"}]}], "published": "2026-08-27T20:18:57.350", "references": [{"url": "https://github.com/redis/redis/commit/6d088c335d5c3ec49a6c28486140b498e70b7834", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://github.com/redis/redis/releases/tag/6.2.24", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://github.com/redis/redis/releases/tag/7.2.16", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://github.com/redis/redis/releases/tag/7.4.11", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://github.com/redis/redis/releases/tag/8.10.1", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://github.com/redis/redis/releases/tag/8.2.9", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://github.com/redis/redis/releases/tag/8.4.6", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://github.com/redis/redis/releases/tag/8.6.6", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://github.com/redis/redis/releases/tag/8.8.2", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://github.com/v12-security/pocs/tree/main/redis/server_ssl", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-26-239-01.json", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://raw.githubusercontent.com/redis/redis/6.2/00-RELEASENOTES", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://raw.githubusercontent.com/redis/redis/7.2/00-RELEASENOTES", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://raw.githubusercontent.com/redis/redis/7.4/00-RELEASENOTES", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://raw.githubusercontent.com/redis/redis/8.10/00-RELEASENOTES", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://raw.githubusercontent.com/redis/redis/8.2/00-RELEASENOTES", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://raw.githubusercontent.com/redis/redis/8.4/00-RELEASENOTES", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://raw.githubusercontent.com/redis/redis/8.6/00-RELEASENOTES", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://raw.githubusercontent.com/redis/redis/8.8/00-RELEASENOTES", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://redis.io/docs/latest/operate/rs/release-notes/rs-7-22-releases/rs-7-22-2-179/", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://redis.io/docs/latest/operate/rs/release-notes/rs-7-8-releases/rs-7-8-6-303/", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://redis.io/docs/latest/operate/rs/release-notes/rs-8-0-releases/rs-8-0-20-96/", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://redis.io/docs/latest/operate/rs/release-notes/rs-8-2-releases/rs-8-2-0-46/", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://www.cve.org/CVERecord?id=CVE-2026-81934", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "9119a7d8-5eab-497f-8521-727c672e3725", "description": [{"lang": "en", "value": "CWE-416"}]}], "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."}], "lastModified": "2026-08-31T20:17:12.093", "sourceIdentifier": "9119a7d8-5eab-497f-8521-727c672e3725"}