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CVE-2026-89032 LiteLLM Cache Tenant Leak: Detection & IOCs

Virtual-key holders can read other tenants' cached LiteLLM replies and tool calls. Track it with 9 detection rules, 5 IOCs and a free Splunk SPL rule.

Read the full threat intel for CVE-2026-89032 LiteLLM Cache Tenant Leak: Detection & IOCs →

Chapters

  1. 0:00The hookLiteLLM's cache let tenants read each other's answers.
  2. 0:05The storyFound in an independent code review.
  3. 0:11Attack pathA valid virtual key could read other tenants' cached answers.
  4. 0:26AttributionNo threat actor is attributed.
  5. 0:31Indicators of compromise3 indicators to hunt: 1 hash, 1 package name and 1 path.
  6. 0:37MITRE ATT&CK techniques6 ATT&CK techniques, from initial access to impact.
  7. 0:42Remediation11 remediation steps are listed, 3 of them immediate.
  8. 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript

0:00LiteLLM's cache let tenants read each other's answers.

0:05Found in an independent code review.

0:07Fixed by the vendor in September.

0:12A valid virtual key could read other tenants' cached answers.

0:15Those answers can hold PII or source code.

0:19In a lab, fake answers and a transfer reached victims.

0:26No threat actor is attributed. Confidence: low.

0:313 indicators to hunt: 1 hash, 1 package name and 1 path.

0:376 ATT&CK techniques, from initial access to impact.

0:4211 remediation steps are listed, 3 of them immediate.

0:509 detection rules, in SPL, KQL and Sigma.

0:56Threadlinqs. The unified security engineering platform.