# CVE-2026-108830: meetecho janus-gateway VideoRoom janus_videoroom.c race condition

> A race condition in the VideoRoom plugin of Janus Gateway allows remote attackers to cause a denial of service.

- **Severity:** Low 2.3 (`CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 12 Oct 2026
- **Updated:** 13 Oct 2026
- **Also known as:** DEBIAN-CVE-2026-108830, GHSA-r9x7-54rc-vq7h, UBUNTU-CVE-2026-108830

## What is CVE-2026-108830?

CVE-2026-108830 is a low-severity vulnerability in meetecho janus-gateway, published on 12 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A weakness has been identified in meetecho janus-gateway up to 1.4.2. This affects an unknown part of the file src/plugins/janus_videoroom.c of the component VideoRoom. This manipulation causes race condition. Remote exploitation of the attack is possible. The attack's complexity is rated as high. It is indicated that the exploitability is difficult. The exploit has been made available to the public and could be used for attacks. Patch name: 27c0d1af888153e818675b56a4e6267f62d57097. Applying a patch is the recommended action to fix this issue. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Weakness: CWE-362 (Concurrent Execution using Shared Resource with Improper Synchronization)

## Which versions are affected by CVE-2026-108830?


## How do I fix CVE-2026-108830?

No fix has been published for CVE-2026-108830 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-108830 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108830 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-108830 and fix it if it is affected.

What it is: CVE-2026-108830 is a low-severity vulnerability in meetecho janus-gateway, published on 12 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108830 exists.

Affected product: meetecho janus-gateway. 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-2026-108830/ (Markdown: https://insights.sbomify.com/CVE-2026-108830/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-108830
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-108830
- OSV: https://osv.dev/vulnerability/CVE-2026-108830

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-108830/
Summaries are generated and may contain mistakes; the official description above is the record.