CVE-2026-81934

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 v4.0

7.5 HIGHCVSS:4.0/AV:A/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

7.1 HIGHCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.43% chance of exploitation in the next 30 days, 36th percentile

Published

2026-08-27

Updated

2026-08-31

Proof-of-concept exploits (1)

• v12-security/pocs/tree/main/redis/server_ssl

References

• CVE Record
• NVD entry

Related

• CVE-2026-8193
• CVE-2026-8194
• CVE-2026-8192
• CVE-2026-8195
• CVE-2026-8191
• CVE-2026-8196