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Vulnerabilities CVE-2026-63764

CVE-2026-63764

High
Open
TLP:CLEAR

LMDeploy Server-Side Request Forgery via HTTP Redirect Bypass

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Description

LMDeploy through 0.14.0, fixed in commit 03c3130, contains a server-side request forgery (SSRF) vulnerability in the _load_http_url function within the connection.py media handler, where the private-IP guard validates only the original URL without re-validating hosts after HTTP redirects. An unauthenticated attacker can submit a crafted image_url to the chat completions endpoint pointing to an attacker-controlled host that returns a redirect to a private IP or cloud-metadata endpoint, causing the server to follow the redirect and expose internal service content through the model pipeline.

Details

CVSS Score
7.7
EPSS Score
0.31%

23.4th percentile

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N
Confidence
90%
Published
Jul 21, 2026
Last Modified
Jul 23, 2026
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