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9.3
CVSS
Critical

CVE-2026-42208

PUBLISHED

LiteLLM: SQL injection in Proxy API key verification

1 day faster than CISA KEV

Exploited in the wild Remote Low complexity No user interaction
Vendor
BerriAI
Product
litellm
Published
May 08, 2026
EPSS
62.6% · 98% pctl

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Description

LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. From version 1.81.16 to before version 1.83.7, a database query used during proxy API key checks mixed the caller-supplied key value into the query text instead of passing it as a separate parameter. An unauthenticated attacker could send a specially crafted Authorization header to any LLM API route (for example POST /chat/completions) and reach this query through the proxy's error-handling path. An attacker could read data from the proxy's database and may be able to modify it, leading to unauthorised access to the proxy and the credentials it manages. This issue has been patched in version 1.83.7.

cisa nuclei_scanner

Weaknesses (CWE)

  • CWE-89

    Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

CVSS scores

CVSS v4.0 9.3 Critical

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS v3.1 9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation status

Exploited in the wild

Recorded 2026-06-01 13:26:37 UTC · CVE

References

Known exploited vulnerability sources

Catalogues that list this CVE as a known exploited vulnerability.

Source Added
CVE First 2026-06-01 13:26 UTC
CISA 2026-06-02 14:01 UTC

Scanner integrations

Scanner Reference Detected
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-42208.yaml Jun 01, 2026

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Added to KEVIntel

  • Detected by Nuclei

  • KEV confirmed by CISA