CVE-2026-81934
High
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.
SeverityHigh
CVSS7.1
Exploit probability—
Product
Redis
PublishedAug 27, 2026
First seenAug 27, 2026
Weakness typeCWE-416Use after free
How to fix
Update
- Redis Redis8.8.2, 8.2.9, 8.4.6, 8.6.6, 8.10.1, 7.4.11, 6.2.24, 7.2.16 or later
- Redis Redis Software (Enterprise)8.2.0-46, 8.0.20-96, 7.22.2-179, 7.8.6-303 or later
Vendor advisories
- raw.githubusercontent.com/redis/redis/8.2/00-RELEASENOTES
- raw.githubusercontent.com/redis/redis/8.4/00-RELEASENOTES
- raw.githubusercontent.com/redis/redis/8.6/00-RELEASENOTES
- raw.githubusercontent.com/redis/redis/8.8/00-RELEASENOTES
- raw.githubusercontent.com/redis/redis/8.10/00-RELEASENOTES
- github.com/redis/redis/releases/tag/6.2.24
- github.com/redis/redis/releases/tag/7.2.16
- github.com/redis/redis/releases/tag/7.4.11
- github.com/redis/redis/releases/tag/8.4.6
- github.com/redis/redis/releases/tag/8.2.9
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Redis Redis | v < 8.8.2, v < 8.2.9, v < 8.4.6, v < 8.6.6, v < 8.10.1, v < 7.4.11, v < 6.2.24, v < 7.2.16 | 8.8.2, 8.2.9, 8.4.6, 8.6.6, 8.10.1, 7.4.11, 6.2.24, 7.2.16 |
| Redis Redis Software (Enterprise) | v < 8.2.0-46, v < 8.0.20-96, v < 7.22.2-179, v < 7.8.6-303 | 8.2.0-46, 8.0.20-96, 7.22.2-179, 7.8.6-303 |
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