High severity · published Aug 27, 2026
CVE-2026-81934
Redis TLS pending-data list use-after-free
7.1
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RE
Redis · Redis
before 8.8.2; before 8.2.9; before 8.4.6; before 8.6.6; before 8.10.1; before 7.4.11; +2 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-81934
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-81934
github.com
https://github.com/redis/redis/commit/6d088c335d5c3ec49a6c28486140b498e70b7834
github.com
https://github.com/redis/redis/releases/tag/6.2.24
github.com
https://github.com/redis/redis/releases/tag/7.2.16
github.com
https://github.com/redis/redis/releases/tag/7.4.11
github.com
https://github.com/redis/redis/releases/tag/8.10.1
github.com
https://github.com/redis/redis/releases/tag/8.2.9
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