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

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Summary

CVECVE-2026-33626
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-20 21:16:35 UTC
Updated2026-04-20 21:16:35 UTC
DescriptionLMDeploy 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.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

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

Problem Types: CWE-918 | CWE-918 CWE-918: Server-Side Request Forgery (SSRF)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA InternLM Lmdeploy affected < 0.12.3 Not specified

References

ReferenceSourceLinkTags
github.com/InternLM/lmdeploy/security/advisories/GHSA-6w67-hwm5-92mq [email protected] github.com
github.com/InternLM/lmdeploy/pull/4447 [email protected] github.com
github.com/InternLM/lmdeploy/releases/tag/v0.12.3 [email protected] github.com
github.com/InternLM/lmdeploy/commit/71d64a339edb901e9005358e0633fbbab367... [email protected] github.com
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