CVE-2026-33626

HIGH EXPLOITED NUCLEI LAB

LMDeploy Vulnerable to Server-Side Request Forgery (SSRF) via Vision-Language Image Loading

Title source: cna
STIX 2.1

Exploitation Summary

CVE-2026-33626 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 1 public exploit from researchers including rootdirective-sec. A Nuclei detection template is also available.

AI-analyzed exploit summary This repository contains a functional proof-of-concept for CVE-2026-33626, demonstrating an SSRF vulnerability in LMDeploy's vision-language image loading path. It includes Dockerized environments for both vulnerable (0.12.0) and patched (0.12.3) versions, along with a Python PoC script to test the vulnerability.

Description

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.

Exploits (1)

nomisec WORKING POC
by rootdirective-sec · poc
https://github.com/rootdirective-sec/CVE-2026-33626-Lab

This repository contains a functional proof-of-concept for CVE-2026-33626, demonstrating an SSRF vulnerability in LMDeploy's vision-language image loading path. It includes Dockerized environments for both vulnerable (0.12.0) and patched (0.12.3) versions, along with a Python PoC script to test the vulnerability.

Classification
Working Poc 100%
Attack Type
Ssrf
Complexity
Moderate
Reliability
Reliable
Target: LMDeploy versions 0.12.0 and earlier
No auth needed
Prerequisites: Docker · Docker Compose · Python 3
devstral-2 · analyzed May 13, 2026 Full analysis →

Nuclei Templates (1)

LMDeploy - Server-Side Request Forgery
HIGHby theamanrawat

Scores

CVSS v3 7.5
EPSS 0.0870
EPSS Percentile 92.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

VulnCheck KEV 2026-04-22
CWE
CWE-918
Status published
Products (3)
internlm/lmdeploy < 0.12.3
InternLM/lmdeploy < 0.12.3
pypi/lmdeploy 0PyPI
Published Apr 20, 2026
Tracked Since Apr 21, 2026