What’s Vulnerable › Vulnerabilities

CVE-2026-92983: InternLM LMDeploy through 0.17.0 Memory Exhaustion via Session ID Mismatch

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-17 · updated 2026-09-22
• Weakness: CWE-772

Description

InternLM LMDeploy through 0.17.0 in DistServe prefill/decode disaggregation mode fails to release scheduler sessions because the proxy uses user-facing session IDs instead of internal scheduler keys. Unauthenticated attackers can send completion requests to the proxy endpoint that accumulate unreleased scheduler metadata and memory until the prefill worker is out-of-memory killed.

Affected products

• InternLM lmdeploy: through 0.17.0

References

• https://github.com/InternLM/lmdeploy
• https://github.com/InternLM/lmdeploy/blob/v0.17.0/lmdeploy/pytorch/disagg/conn/engine_conn.py#L93-L99
• https://github.com/InternLM/lmdeploy/issues/4967
• https://www.vulncheck.com/advisories/internlm-lmdeploy-through-0.17.0-memory-exhaustion-via-session-id-mismatch
• https://github.com/InternLM/lmdeploy/issues/4967

Get alerted when CVE-2026-92983 or the next vulnerability affects your stack