CVE-2026-92971

HIGH CVSS 4.0: 8.7 EPSS 0.49%
Updated Sep 17, 2026
Internlm
Parameter Value
CVSS 8.7 (HIGH)
Affected Versions before 0.17.0
Type CWE-617
Vendor Internlm
Public PoC No

InternLM LMDeploy through 0.17.0 contains a reachable assertion vulnerability in the DistServe decode migration loop that allows unauthenticated attackers to terminate the inference engine. Attackers can submit a migration_request with an empty remote_block_ids list to trigger an AssertionError that crashes the engine loop and causes subsequent inference requests to fail.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Internlm Lmdeploy
cpe:2.3:a:internlm:lmdeploy:*:*:*:*:*:*:*:*
<= 0.17.0