Path Traversal in Meetecho Janus-Gateway
CVE-2026-110717
Janus WebRTC Server through 1.4.3 contains a path traversal vulnerability in the Record&Play plugin that allows unauthenticated attackers to write files outside recordings_path via the record request filename. Attackers can supply filenames with path separators to create or truncate files ending in -audio.mjr, -video.mjr or -data.mjr anywhere the Janus process can write outside protected folders.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/HkEaF-piGl (technical-description, exploit)
- github.com/meetecho/janus-gateway/blob/1f0b75cac1c9ad819ee4c2a905a2c65b00b82cde… (technical-description)
- github.com/meetecho/janus-gateway/blob/1f0b75cac1c9ad819ee4c2a905a2c65b00b82cde… (technical-description)
- github.com/meetecho/janus-gateway (product)
- www.vulncheck.com/advisories/janus-webrtc-server-through-1.4.3-path-traversal-v… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-110717?
- CVE-2026-110717 is a medium-severity vulnerability in Meetecho Janus-Gateway, classified under Path Traversal. CVSS score: 5.3/10. Published 2026-10-14.
- How severe is CVE-2026-110717?
- Medium severity. CVSS v3 base score is 5.3 out of 10.