CVE-2026-46432 json
LMDeploy: Arbitrary code execution via hardcoded trust_remote_code=True in lmdeploy model initialization
published 2026-05-21 5 mo ago modified 2026-07-23 3 mo ago also GHSA-m549-qq94-fvhg , PYSEC-2026-2609 , EUVD-2026-35873
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 3%
- public exploits
- 0
- none known
Summary
LMDeploy is a toolkit for compressing, deploying, and serving large language models. In versions 0.12.3 and prior, LMDeploy is vulnerable to arbitrary code execution through hardcoded "trust_remote_code=True" in multiple HuggingFace model-loading call sites. At time of publication, there are no publicly available patches.
Patch / fix
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 5 mo ago
Exploit prediction
0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/InternLM/lmdeploy/security/advisories/GHSA-m549-qq94-fvhg referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| OSV | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | lmdeploy | <0.13.0 |
0.13.0 |
Affected products
- InternLM lmdeploy
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
github.com
/InternLM/lmdeploy/pull/4511
web
-
github.com
/InternLM/lmdeploy/security/advisories/GHSA-m549-qq94-fvhg
exploit, web
-
nvd.nist.gov
/vuln/detail/CVE-2026-46432
advisory
-
github.com
/InternLM/lmdeploy
package
-
pypi.org
/project/lmdeploy
package
-
github.com
/advisories/GHSA-m549-qq94-fvhg
advisory
Sources
- CVE List CVE-2026-46432
- GitHub Advisory GHSA-m549-qq94-fvhg
- NVD CVE-2026-46432
- OSV PYSEC-2026-2609
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