# CVE-2026-106041: Mooncake Store through 0.3.13.post1 Missing Authorization via NotifyOffloadSuccess RPC

> Unauthenticated attackers can inject fake disk replicas via RPC to poison reads and fake key existence in Mooncake Store.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/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:** 6 Oct 2026
- **Updated:** 6 Oct 2026
- **Also known as:** GHSA-whqj-m6f3-5p4j

## What is CVE-2026-106041?

CVE-2026-106041 is a medium-severity missing authorization vulnerability in kvcache-ai Mooncake, published on 6 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Mooncake Store master through 0.3.13.post1 contains a missing authorization vulnerability that allows unauthenticated attackers to inject completed LOCAL_DISK replicas through the NotifyOffloadSuccess RPC. Attackers can mount a local disk segment with a self-chosen client UUID, then attach replicas pointing at attacker-controlled endpoints to serve poisoned disk-tier reads and fake key existence.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2026-106041?


## How do I fix CVE-2026-106041?

No fix has been published for CVE-2026-106041 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-106041 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-106041 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-106041 and fix it if it is affected.

What it is: CVE-2026-106041 is a medium-severity missing authorization vulnerability in kvcache-ai Mooncake, published on 6 Oct 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-2026-106041 exists.

Affected product: kvcache-ai Mooncake. 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-2026-106041/ (Markdown: https://insights.sbomify.com/CVE-2026-106041/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-106041
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-106041
- OSV: https://osv.dev/vulnerability/CVE-2026-106041

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-106041/
Summaries are generated and may contain mistakes; the official description above is the record.