CVE-2025-3162: InternLM LMDeploy PT File utils.py load_weight_ckpt deserialization

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-04-03 · updated 2026-06-17
Weakness: CWE-20

Description

A vulnerability was found in InternLM LMDeploy up to 0.7.1. It has been classified as critical. Affected is the function load_weight_ckpt of the file lmdeploy/lmdeploy/vl/model/utils.py of the component PT File Handler. The manipulation leads to deserialization. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.

Affected products

InternLM lmdeploy: through 0.7.1

References

https://github.com/InternLM/lmdeploy/issues/3255
https://github.com/InternLM/lmdeploy/issues/3255#issue-2918985270
https://vuldb.com/?ctiid.303108
https://vuldb.com/?id.303108
https://vuldb.com/?submit.542520
https://github.com/InternLM/lmdeploy/issues/3255

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