CVE-2026-42208

BerriAI LiteLLM SQL Injection

9.8 CRITICALActively exploited (CISA KEV)EPSS 5.77%

Published8 May 2026
Added to CISA KEV8 May 2026
Remediation due11 May 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.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Affected products

Litellm≥ 1.81.16 < 1.83.7

Remediation

Fixed in

Litellm≥ 1.83.7

Patch & vendor advisories

https://github.com/BerriAI/litellm/security/advisories/GHSA-r75f-5x8p-qvmc

References

https://access.redhat.com/security/cve/CVE-2026-42208Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2463965MitigationThird Party Advisory
https://github.com/BerriAI/litellm/releases/tag/v1.83.7-stableProductRelease Notes
https://github.com/BerriAI/litellm/security/advisories/GHSA-r75f-5x8p-qvmcMitigationPatchVendor Advisory
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42208.jsonThird Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-42208US Government Resource

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2026-42208 being actively exploited?

Yes. CVE-2026-42208 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 8 May 2026.

How severe is CVE-2026-42208?

CVE-2026-42208 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 5.77% probability of exploitation.

Which products are affected by CVE-2026-42208?

Affected products include Litellm.

How do I fix CVE-2026-42208?

Upgrade affected software to a fixed version, for example Litellm 1.83.7 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-42208 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.