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CVE-2026-114612

9.9 · CRITICAL

LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format.

Published Oct 22, 2026CWE-269EPSS 0.32%

Overview

CVE-2026-114612 is a critical-severity vulnerability. It was published on October 22, 2026 and has a CVSS 3.1 base score of 9.9 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. From 1.87.0 until 1.100.4, 1.101.3, 1.102.2, 1.103.1, and 1.104.0-rc.2, the proxy reuses one cryptographic context for at-rest secrets and session tokens, allowing an authenticated internal user to have crafted metadata containing a forged administrator credential encrypted and returned by the API-key flow. Replaying that ciphertext as a bearer token causes the proxy to trust the forged proxy administrator identity, permitting administrative access and arbitrary commands through the MCP stdio endpoint. Versions 1.87.0 through 1.90.x require EXPERIMENTAL_UI_LOGIN to be enabled, while versions after 1.91.0 are exploitable in the default configuration. This issue was fixed in LiteLLM 1.100.4, 1.101.3, 1.102.2, 1.103.1, and 1.104.0-rc.2.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/BerriAI/litellm/commit/1d5fdc87fed66b49e1df8cf7d708ad93249eb7d0GitHubgithub.com/BerriAI/litellm/commit/9161d7f9d6073603ba61ee4aa5e2c0ef5b37a81bGitHubgithub.com/BerriAI/litellm/commit/9fa1a641119dd0d4fe43e93622eae5f482ceb63fGitHubgithub.com/BerriAI/litellm/commit/a80eacacee118fbed54e3d98f239d17a63fac818GitHubgithub.com/BerriAI/litellm/commit/f7cd90f09e9716652b38daec9f0640cdf49d582bGitHubgithub.com/BerriAI/litellm/releases/tag/v1.100.4GitHubgithub.com/BerriAI/litellm/releases/tag/v1.101.3GitHubgithub.com/BerriAI/litellm/releases/tag/v1.102.2GitHubgithub.com/BerriAI/litellm/releases/tag/v1.103.1GitHubgithub.com/BerriAI/litellm/releases/tag/v1.104.0-rc.2

How CyberStrike helps

Frequently asked questions

What is CVE-2026-114612?

CVE-2026-114612 is a critical-severity vulnerability. It was published on October 22, 2026 and has a CVSS 3.1 base score of 9.9 (CRITICAL).

How severe is CVE-2026-114612?

This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-114612?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-114612?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-114612 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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