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Redis

v8.6.6

Security Fix Security Release Released September 13, 2026

Security update fixing critical remote code execution and ACL bypass vulnerabilities.

Security Fixes

6
  • Fixed use-after-free in RESTORE command with crafted stream data that could lead to remote code execution.
  • Fixed out-of-bounds write in RedisBloom/TDigest RESTORE that could lead to remote code execution.
  • Fixed heap out-of-bounds read in CMSketch RDB loading (CVE-2026-62356).
  • Fixed use-after-free in TLS connection handling.
  • Fixed ACL key permission bypass in SORT, GEORADIUS and XREAD commands.
  • Fixed memory corruption from malicious RDB SLOT_INFO data that could lead to remote code execution.
See the Demo