CVE-2026-33626: LMDeploy is a toolkit for compressing, deploying, and serving large language models

Q: How do I fix CVE-2026-33626?

lmdeploy: upgrade to 0.12.3. Exact commands for each OS are on this page.

Q: Is CVE-2026-33626 being exploited?

CVE-2026-33626 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-33626 affect?

CVE-2026-33626 affects lmdeploy. Severity is high (CVSS 7.5). 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 `lmde

Q: How urgent is CVE-2026-33626?

Priority 61/100. High severity; EPSS top 1%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2026-33626 is a high-severity flaw (CVSS 7.5) affecting lmdeploy. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 patche

Why this priority

High severity
EPSS top 1%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	45.2% (top 1%)
CISA exploited list	No
Weakness	CWE-918
Published	2026-04-20
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: internlm

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-20 21:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

internlm lmdeploy UPGRADE

Affected: < 0.12.3

Fixed in: 0.12.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy lmdeploy || rpm -q lmdeploy || lmdeploy --version

2. UPGRADE to 0.12.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade lmdeploy

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade lmdeploy

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Python (pip) · lmdeploy · NO FIX YET · vulnerable: <= 0.12.2 · source

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

GitHub PoC: rootdirective-sec/CVE-2026-33626-Lab (0 stars)
Write-up: github.com/InternLM/lmdeploy/security/advisories/GHSA-6w67-hwm5-92mq
Nuclei scan template: LMDeploy - Server-Side Request Forgery

Advisories and coverage

Research and news

Sysdig Threat Research: CVE-2026-33626: How attackers exploited LMDeploy LLM Inference Engines in 12 hours 2026-04-22

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-33626?

lmdeploy: upgrade to 0.12.3. Exact commands for each OS are on this page.

Is CVE-2026-33626 being exploited?

CVE-2026-33626 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-33626 affect?

CVE-2026-33626 affects lmdeploy. Severity is high (CVSS 7.5). 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 `lmde

How urgent is CVE-2026-33626?

Priority 61/100. High severity; EPSS top 1%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-63764 HIGH 8.6 UPGRADE LMDeploy through 0.14.0, fixed in commit 03c3130, contains a server-side request forgery (SSRF) vulnerability

References

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