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

> Unauthenticated attackers can exhaust memory in InternLM LMDeploy's DistServe mode by sending requests that leak scheduler sessions, causing denial of service.

- **Severity:** High 8.7 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Sep 2026
- **Updated:** 18 Sep 2026
- **Also known as:** GHSA-p3qj-xm37-gqqf

## What is CVE-2026-92983?

CVE-2026-92983 is a high-severity denial of service vulnerability in InternLM lmdeploy, published on 17 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official 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.

Weakness: CWE-772 (Missing Release of Resource after Effective Lifetime)

## Which versions are affected by CVE-2026-92983?


## How do I fix CVE-2026-92983?

No fix has been published for CVE-2026-92983 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-92983 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-92983 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-92983 and fix it if it is affected.

What it is: CVE-2026-92983 is a high-severity denial of service vulnerability in InternLM lmdeploy, published on 17 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-92983 exists.

Affected product: InternLM lmdeploy. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-92983/ (Markdown: https://insights.sbomify.com/CVE-2026-92983/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-92983
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-92983
- OSV: https://osv.dev/vulnerability/CVE-2026-92983

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-92983/
Summaries are generated and may contain mistakes; the official description above is the record.