Threat Intelligence / CVE / CVE-2026-33626

CVE-2026-33626 — Internlm Lmdeploy

CVSS v3.1 7.5 (HIGH) · EPSS 2.9% (higher than 86.4% of all scored CVEs) · Published 2026-04-20

As of 2026-04-23, CVE-2026-33626 is a HIGH-severity vulnerability in Internlm Lmdeploy, CVSS v3.1 7.5, EPSS 2.9% (86.4th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-33626, most recently “LMDeploy SSRF in load_image() Vision-Language Module (CVE-2026-33626) — Actively Exploited Within 13 Hours of Disclosure”.

Last updated: 2026-04-23

What is CVE-2026-33626?

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.

The record classifies CVE-2026-33626 under weakness class CWE-918. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 146 days ago.

Severity and exploitation probability

CVSS v3.1 base score
7.5 — HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (FIRST)
2.9% probability of exploitation in the next 30 days, higher than 86.4% of all scored CVEs
CISA KEV
Not listed in the CISA Known Exploited Vulnerabilities catalog
Published
2026-04-20, last modified 2026-04-23

Is CVE-2026-33626 being exploited?

No public exploitation evidence for CVE-2026-33626 is recorded in the sources Threadlinqs tracks — CISA KEV, Exploit-DB, public proof-of-concept repositories and ProjectDiscovery Nuclei — as of 2026-04-23. That is an absence of evidence in those feeds, not a guarantee that the vulnerability is unexploited.

Affected products and versions

How to fix CVE-2026-33626

The record marks a vendor fix as available for CVE-2026-33626. Vendor advisory: https://github.com/InternLM/lmdeploy/security/advisories/GHSA-6w67-hwm5-92mq. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

Threat activity tracking CVE-2026-33626

1 tracked threat in the Threadlinqs corpus references CVE-2026-33626, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Seeded from nvd and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.

Full detection coverage & IOCs for threats exploiting CVE-2026-33626 are available via the Threadlinqs MCP server (Purple tier). View plans →

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