Vulnerability Report

CVE-2026-33626

Title: LMDeploy Server-Side Request Forgery (SSRF)

SSRF

Proof Of Concept

PoC Available for CVE-2026-33626

CWE Category CWE-918

Published Date Apr 20, 2026

Modified Date Apr 23, 2026

Exploit Status Available

Score 7.5 CVSS v3.1

Exploit Probability (EPSS)

45.25%

Vulnerability Summary

CVE-2026-33626: LMDeploy is a toolkit for compressing, deploying, and serving large language models. Versions prior to 0.12.3 have a Server-Side Request Forgery (SSRF) vulnerability in LMDeploy's vision-language module. The `load_image()` function in `lmdeploy/vl/utils.py` fetches arbitrary URLs without validating internal/private IP addresses, allowing attackers to access cloud metadata services, internal networks, and sensitive resources. Version 0.12.3 patches the issue.

Impacted Vendors

internlm 1

Reference Links

https://github.com/InternLM/lmdeploy/commit/71d64a339edb901e9005358e0633fbbab367d626 https://github.com/InternLM/lmdeploy/pull/4447 https://github.com/InternLM/lmdeploy/releases/tag/v0.12.3 https://github.com/InternLM/lmdeploy/security/advisories/GHSA-6w67-hwm5-92mq

CVSS v3.1

Source Entity [email protected]

Severity HIGH

7.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns