CVE-2026-81934
highpriority · track · 0EPSS 0.005 · 41 %ileDEUSEPSS · scored 2026-10-27
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedRediscisa_csaf_it
Fixed in 6.2.24.
https://github.com/redis/redis/commit/6d088c335d5c3ec49a6c28486140b498e70b7834 - FixedRedis Software (Enterprise)cisa_csaf_it
Fixed in 7.22.2-179.
https://redis.io/docs/latest/operate/rs/release-notes/rs-7-22-releases/rs-7-22-2-179/
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.8–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (44)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- VA-26-239-01Redis TLS pending-data list use-after-free2026-08-27csaf · cisa_csaf_itUS
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.
- WID-SEC-W-2026-3077Redis: Mehrere SchwachstellenDeutsch2026-08-27csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Redis ausnutzen, um Sicherheitsmechanismen zu umgehen, unberechtigt auf Daten zuzugreifen, einen Denial-of-Service-Zustand herbeizuführen oder Speicherinhalte zu manipulieren. Die Ausführung beliebigen Programmcodes ist potenziell möglich.
sources
Which sources assert this record, and when.
references (24) nvd
External citations — patches, advisories, analysis.
- https://github.com/redis/redis/commit/6d088c335d5c3ec49a6c28486140b498e70b7834
- https://github.com/redis/redis/releases/tag/6.2.24
- https://github.com/redis/redis/releases/tag/7.2.16
- https://github.com/redis/redis/releases/tag/7.4.11
- https://github.com/redis/redis/releases/tag/8.10.1
- https://github.com/redis/redis/releases/tag/8.2.9
- https://github.com/redis/redis/releases/tag/8.4.6
- https://github.com/redis/redis/releases/tag/8.6.6
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