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

Q: How do I fix CVE-2026-63764?

lmdeploy: upgrade to newer than 0.14.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-63764 being exploited?

CVE-2026-63764 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-2026-63764 affect?

CVE-2026-63764 affects lmdeploy. Severity is high (CVSS 8.6). 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

Q: How urgent is CVE-2026-63764?

Priority 51/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 8.6REMOTEUPGRADE

CVE-2026-63764 is a high-severity flaw (CVSS 8.6) affecting lmdeploy. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.6 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 57%)
CISA exploited list	No
Weakness	CWE-918
Published	2026-07-21
Last modified	2026-10-24

Publisher (CNA): VulnCheck · Vendor: internlm

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-21 21:16 UTCPublished CVE record published
2026-10-24 19:10 UTCUpdated Record last modified

internlm lmdeploy UPGRADE

Affected: <= 0.14.0

Fixed in: newer than 0.14.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.14.0 (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

Fedora 46 · conda · FIXED · 26.9.4-2.fc46 · FEDORA-2026-09931756f1 · source

sudo dnf upgrade --advisory=FEDORA-2026-09931756f1

Public exploits and detection

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

Write-up: github.com/InternLM/lmdeploy/issues/4761

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-2026-63764?

lmdeploy: upgrade to newer than 0.14.0. Exact commands for each OS are on this page.

Is CVE-2026-63764 being exploited?

CVE-2026-63764 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-2026-63764 affect?

CVE-2026-63764 affects lmdeploy. Severity is high (CVSS 8.6). 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

How urgent is CVE-2026-63764?

Priority 51/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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