CVE-2026-81934
CRITICAL
NVD
CVSS Score
9.8
Severity
CRITICAL
Published
Aug 27, 2026
Vendor
unknown
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. Fixed in Redis 8.2.9, 8.4.6, 8.6.6, 8.8.2, and 8.10.1.
References
- https://github.com/redis/redis/commit/6d088c335d5c3ec49a6c28486140b498e70b7834
- https://github.com/v12-security/pocs/tree/main/redis/server_ssl
- https://raw.githubusercontent.com/redis/redis/8.10/00-RELEASENOTES
- https://raw.githubusercontent.com/redis/redis/8.2/00-RELEASENOTES
- https://raw.githubusercontent.com/redis/redis/8.4/00-RELEASENOTES