What is CVE-2026-63764?

CVE-2026-63764 is a critical-severity vulnerability in Internlm Lmdeploy, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.3/10. Published 2026-07-21.

How severe is CVE-2026-63764?

Critical severity. CVSS v3 base score is 9.3 out of 10.

SSRF in Internlm Lmdeploy

CVE-2026-63764

lmdeploy's OpenAI-compatible API server contains a server-side request forgery vulnerability that allows unauthenticated attackers to access internal services and cloud metadata endpoints by supplying a crafted image_url that redirects to…

Vulnerability class: SSRF (Server-Side Request Forgery)

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N.

Affected products

Internlm Lmdeploy — versions 648df3b

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

disclosure@vulncheck.com (product)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-63764?: CVE-2026-63764 is a critical-severity vulnerability in Internlm Lmdeploy, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.3/10. Published 2026-07-21.
How severe is CVE-2026-63764?: Critical severity. CVSS v3 base score is 9.3 out of 10.