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CVE-2026-23479 Authenticated Redis RCE: Detection & IOCs

An authenticated use-after-free in Redis chains to remote code execution. 9 detection rules, 12 IOCs, 8 ATT&CK techniques and a free Splunk SPL rule.

Read the full threat intel for CVE-2026-23479 Authenticated Redis RCE: Detection & IOCs →

Chapters

  1. 0:00The hookMemory flaw undetected in Redis for 2+ years.
  2. 0:04The storyAn AI tool found memory corruption in Redis.
  3. 0:11Attack pathReportedly authenticate and leak heap via Lua.
  4. 0:29AttributionNo threat actor is attributed.
  5. 0:33Indicators of compromise2 indicators to hunt: 1 path and 1 package name.
  6. 0:39MITRE ATT&CK techniques8 ATT&CK techniques, from initial access to impact.
  7. 0:43Remediation5 steps now: Upgrade Redis CE/OSS to a fixed release.
  8. 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript

0:00Memory flaw undetected in Redis for 2+ years.

0:05An AI tool found memory corruption in Redis.

0:08Full exploit chain now public.

0:11Reportedly authenticate and leak heap via Lua.

0:14Park bloated client on stream read-block.

0:17Lower memory limit to trigger heap corruption.

0:20Reclaim slot with forged client.

0:22Corrupt memory entries to enable arbitrary command execution.

0:29No threat actor is attributed. Confidence: none.

0:332 indicators to hunt: 1 path and 1 package name.

0:398 ATT&CK techniques, from initial access to impact.

0:445 steps now: Upgrade Redis CE/OSS to a fixed release.

0:519 detection rules, in SPL, KQL and Sigma.

0:56Threadlinqs. The unified security engineering platform.