CVE-2026-89032 BerriAI LiteLLM - Broken Access Control

BerriAI LiteLLM < 1.101.0-rc.1 contains a tenant isolation bypass caused by metadata key mismatch in the semantic cache layer, letting authenticated users access other tenants' cached sensitive data and trigger unintended tool calls, exploit requires valid virtual key.

CVSS base score 7.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.27% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Information Disclosure, Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
Published
25 September 2026
Updated
15 October 2026
Weakness
CWE-863

Vendor fix

Update to version 1.101.0-rc.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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