CVE-2026-81934

Description

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.

References

https://www.cve.org/CVERecord?id=CVE-2026-81934

https://redis.io/docs/latest/operate/rs/release-notes/rs-8-2-releases/rs-8-2-0-46/

https://redis.io/docs/latest/operate/rs/release-notes/rs-8-0-releases/rs-8-0-20-96/

https://redis.io/docs/latest/operate/rs/release-notes/rs-7-8-releases/rs-7-8-6-303/

https://redis.io/docs/latest/operate/rs/release-notes/rs-7-22-releases/rs-7-22-2-179/

https://raw.githubusercontent.com/redis/redis/8.8/00-RELEASENOTES

https://raw.githubusercontent.com/redis/redis/8.6/00-RELEASENOTES

https://raw.githubusercontent.com/redis/redis/8.4/00-RELEASENOTES

https://raw.githubusercontent.com/redis/redis/8.2/00-RELEASENOTES

https://raw.githubusercontent.com/redis/redis/8.10/00-RELEASENOTES

https://raw.githubusercontent.com/redis/redis/7.4/00-RELEASENOTES

https://raw.githubusercontent.com/redis/redis/7.2/00-RELEASENOTES

https://raw.githubusercontent.com/redis/redis/6.2/00-RELEASENOTES

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-26-239-01.json

https://github.com/v12-security/pocs/tree/main/redis/server_ssl

https://github.com/redis/redis/releases/tag/8.8.2

https://github.com/redis/redis/releases/tag/8.6.6

https://github.com/redis/redis/releases/tag/8.4.6

https://github.com/redis/redis/releases/tag/8.2.9

https://github.com/redis/redis/releases/tag/8.10.1

https://github.com/redis/redis/releases/tag/7.4.11

https://github.com/redis/redis/releases/tag/7.2.16

https://github.com/redis/redis/releases/tag/6.2.24

https://github.com/redis/redis/commit/6d088c335d5c3ec49a6c28486140b498e70b7834

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4

EPSS