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CVE-2026-81934

Redis TLS pending-data list use-after-free

Published: Aug 27, 2026Updated: Aug 31, 2026 Sources: CVE List NVD csafCWE-416
7.1HIGH
NVD MITRE
EPSS Score
0.4%
Top 63.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:AAC:HPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-416

Affected Products

Redis
oss-project·USaka redis-py, redis server, go-redis
RedisOn-premDatabase
Databases / cache-message-queue
Redis Software (Enterprise)On-prem
Databases / cache-message-queue

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/redis/redis/commit/6d088c335d5c3ec49a6c28486140b498e70b7834
github.com
https://github.com/v12-security/pocs/tree/main/redis/server_ssl
github.com
https://raw.githubusercontent.com/redis/redis/8.2/00-RELEASENOTES
raw.githubusercontent.com
and 21 more references View all →

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