CVE-2026-81934— Redis TLS pending-data list use-after-free
Quick assessment
Affected
Redis Redis
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Redis 在 函数中存在一个“释放后使用”（use-after-free）漏洞。当 Redis 配置了 TLS 支持时，该函数负责处理 TLS 待处理数据列表。一个远程且未认证的潜在攻击者可能利用此漏洞，以 Redis 服务器的权限执行任意命令。该漏洞已在 Redis 8.2.9、8.4.6、8.6.6、8.8.2 和 8.10.1 中修复。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-81934
Vulnerability Information
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Vulnerability Title
Redis TLS pending-data list use-after-free
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-81934
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2026-81934 (1)
Proof of Concept for CVE-2026-81934 (1)
Vendor Pages for CVE-2026-81934 (5)
IV. Related Vulnerabilities
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V. Comments for CVE-2026-81934
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