Vulnerability · Published Oct 12, 2026 · Assigned by VulDB

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

Medium 4.2

In plain English

A medium-severity race condition in janus-gateway from meetecho. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).

Severity (CVSS 3.1)4.2Medium

Exploit odds (30 days)0.2%top 91.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Debian:12	janus	no fix listed	DEBIAN-CVE-2026-108830
Debian:14	janus	no fix listed	DEBIAN-CVE-2026-108830
Ubuntu:22.04:LTS	janus	no fix listed	UBUNTU-CVE-2026-108830
Ubuntu:24.04:LTS	janus	no fix listed	UBUNTU-CVE-2026-108830
Ubuntu:26.04:LTS	janus	no fix listed	UBUNTU-CVE-2026-108830
Ubuntu:26.10	janus	no fix listed	UBUNTU-CVE-2026-108830

Affected products (as reported)

Vendor	Product	Versions
meetecho	janus-gateway	1.4.01.4.11.4.2

Weakness: CWE-362 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:O/RC:C

References

VDB-416606 | meetecho janus-gateway VideoRoom janus_videoroom.c race condition vdb-entry
VDB-416606 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-108830 | CVE Analysis and Report third-party-advisory
Submit #931618 | meetecho janus webrtc server 1.4.2-videoroom Race Condition third-party-advisory
https://github.com/meetecho/janus-gateway/blob/master/src/plugins/janus_videoroom.c exploit
https://github.com/meetecho/janus-gateway/pull/3678 issue-tracking, patch
https://github.com/meetecho/janus-gateway/commit/27c0d1af888153e818675b56a4e6267f62d57097 patch
https://github.com/meetecho/janus-gateway/ product