Reference page — cumulative record through Wednesday, October 7, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-42208

CVE-2026-42208CRITICAL

BerriAI litellm — LiteLLM: SQL injection in Proxy API key verification

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   N   H   H   H    9.3   .0577   92.9   YES

AFFECTED
  Product  Versions                Fixed
  litellm  >= 1.81.16, < 1.83.7 –  —

TIMELINE
  Apr 25  Reserved by GitHub_M
  May 8   Added to CISA KEV, remediation due 2026-05-11
  May 8   Published (CNA: GitHub_M)

CWE-89 · CNA: GitHub_M · CVSS v4.0 · 6 references · KEV due May 11, 2026

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
April 25, 2026	Reserved	Reserved by GitHub_M
May 8, 2026	KEV ADDED	Added to CISA KEV, remediation due 2026-05-11
May 8, 2026	Published	Published (CNA: GitHub_M)

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
BerriAI	litellm	—	>= 1.81.16, < 1.83.7	—

Weaknesses

CWE-89

References (6)

https://access.redhat.com/security/cve/CVE-2026-42208 [vdb-entry, x_refsource_REDHAT]
https://bugzilla.redhat.com/show_bug.cgi?id=2463965 [issue-tracking, x_refsource_REDHAT]
https://github.com/BerriAI/litellm/releases/tag/v1.83.7-stable [x_refsource_MISC]
https://github.com/BerriAI/litellm/security/advisories/GHSA-r75f-5x8p-qvmc [x_refsource_CONFIRM]
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42208.json [x_sadp-csaf-vex]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-42208 [government-resource]

Authoritative record: CVE-2026-42208 at cve.org

Vendors: berriai

Weaknesses: CWE-89

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-42208 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, October 7, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.