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CVE-2026-12770 BerriAI CVE debrief

CVE-2026-12770 is a low-severity vulnerability (CVSS Score: 2.1) affecting BerriAI litellm versions up to 1.63.1. The issue lies in the Admin Key Handler component, specifically in the file litellm/proxy/management_endpoints/key_management_endpoints.py, leading to improper authorization. The vulnerability can be exploited remotely, and a public exploit has been disclosed. Given the low severity and the need for remote access and specific privileges (PR:L), defenders should assess their exposure and prioritize based on their system's configuration and the potential impact of such a vulnerability.

Vendor
BerriAI
Product
litellm
CVSS
LOW 2.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-21
Original CVE updated
2026-06-24
Advisory published
2026-06-21
Advisory updated
2026-06-24

Who should care

Organizations using BerriAI litellm up to version 1.63.1 should be aware of this vulnerability. Given the low CVSS score and the specifics of the exploit, it may not be a high priority for all, but those with exposed systems or high security standards should investigate and apply mitigations.

Technical summary

The vulnerability (CVE-2026-12770) is caused by improper authorization in the Admin Key Handler of BerriAI litellm up to 1.63.1. The affected component is located in the file litellm/proxy/management_endpoints/key_management_endpoints.py. The CVSS vector is CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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, indicating a low severity score of 2.1. The weakness types are CWE-266 and CWE-285.

Defensive priority

Low priority due to CVSS score of 2.1 and required privileges for exploitation.

Recommended defensive actions

  • Inventory and assess the exposure of BerriAI litellm versions up to 1.63.1 within your organization.
  • Review and apply the vendor-supported remediation when available.
  • Implement compensating controls to limit exposure, such as restricting access to the Admin Key Handler.
  • Monitor for any suspicious activity related to the Admin Key Handler.
  • Track exceptions for systems that cannot be updated immediately.

Evidence notes

The primary evidence for this vulnerability comes from the NVD and Vuldb sources. The vulnerability affects BerriAI litellm up to version 1.63.1. The specific component impacted is the Admin Key Handler in the file litellm/proxy/management_endpoints/key_management_endpoints.py. Defenders should verify the version of litellm in use and assess the exposure of their systems based on the CVSS vector provided.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-12770 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-12770

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-12770 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-12770

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.