CVE-2026-110717
CVE-2026-110717 · Janus WebRTC Server through 1.4.3 Path Traversal via Record&Play Filename
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 6.9 · Medium · EPSS 0.5%
- Published
- Updated
Stack: system
Affected products and versions
janus-gateway
- Versions
- ≥ 0, ≤ 1.4.3: Affected (semver)
No fix published
janus Debian:12
- Versions
- 1.1.2-1
- 1.1.2-1.1
- 1.1.2-1.2
- 1.1.2-2
- 1.1.2-3
- 1.1.2-3.1
- 1.1.2-4
- 1.4.1+ds-1
- 1.4.1+ds-2
- 1.4.1+ds-3
- 1.4.1+ds-4
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
janus Debian:14
- Versions
- 0.10.0-1
- 0.10.1-1
- 0.10.2-1
- 0.10.3-1
- 0.10.4-1
- 0.10.5-1
- 0.10.6-1
- 0.10.7-1
- 0.10.8-1
- 0.10.8-2
- 0.10.9-1
- 0.10.9-2
- 0.11.1-1
- 0.11.2-1
- 0.11.3-1~exp1
- 0.11.4-1
- 0.11.5-1
- 0.11.5-2
- 0.11.5-3
- 0.11.5-4
- 0.11.6-1
- 0.11.6-1~bpo11+1
- 0.11.7-1
- 0.11.7-1~bpo11+1
- 0.11.8-1
- 0.11.8-1~bpo11+1
- 0.11.8-2
- 0.11.8-3
- 0.11.8-3~bpo11+1
- 0.12.0-1
- 0.2.2+dfsg-1
- 0.2.2+dfsg-2
- 0.2.2+dfsg-3
- 0.2.2+dfsg-4
- 0.2.2+dfsg-5~exp1
- 0.2.2+dfsg-5~exp2
- 0.2.2+dfsg-5~exp3
- 0.2.3-1
- 0.2.4-1
- 0.2.4-2
- 0.2.5-1
- 0.2.6-1
- 0.3.1-1
- 0.4.2-1
- 0.4.4-1
- 0.4.5-1
- 0.4.5-2
- 0.5.0-1
- 0.6.0-1
- 0.6.0-2
- 0.6.1-1
- 0.6.2-1
- 0.6.3-1
- 0.7.2-1
- 0.7.2-2
- 0.7.3-1
- 0.7.3-2
- 0.9.1+20200313-1
- 0.9.1-1
- 0.9.2-1
- 0.9.2-1~bpo10+1
- 0.9.3-1
- 0.9.4-1
- 0.9.5-1
- 1.0.0-1
- 1.0.0-2
- 1.0.0-3
- 1.0.0-4
- 1.0.0-4~bpo11+1
- 1.0.1-1
- 1.0.1-1~bpo11+1
- 1.0.2-1
- 1.0.4-1
- 1.1.0-1
- 1.1.1-1
- 1.1.2-1
- 1.1.2-1.1
- 1.1.2-1.2
- 1.1.2-2
- 1.1.2-3
- 1.1.2-3.1
- 1.1.2-4
- 1.4.1+ds-1
- 1.4.1+ds-2
- 1.4.1+ds-3
- 1.4.1+ds-4
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
janus Ubuntu:18.04:LTS
- Versions
- 0.2.4-2
- 0.2.5-1
- 0.2.6-1
- 0.2.6-1build1
- 0.2.6-1build2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
janus Ubuntu:20.04:LTS
- Versions
- 0.7.3-2
- 0.7.3-2build1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
janus Ubuntu:22.04:LTS
- Versions
- 0.11.2-1
- 0.11.5-1
- 0.11.5-1ubuntu1
- 0.11.5-3
- 0.11.5-4
- 0.11.6-1
- 0.11.7-1
- 0.11.8-1
- 0.11.8-2
- 0.11.8-3
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
janus Ubuntu:24.04:LTS
- Versions
- 1.1.2-1build2
- 1.1.2-1build3
- 1.1.2-1build4
- 1.1.2-1build5
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
janus Ubuntu:26.10
- Versions
- 1.1.2-4
- 1.4.1+ds-4
- 1.4.1+ds-4build1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
janus Ubuntu:26.04:LTS
- Versions
- 1.1.2-3
- 1.1.2-3.1
- 1.1.2-4
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/HkEaF-piGl
- https://github.com/meetecho/janus-gateway/blob/1f0b75cac1c9ad819ee4c2a905a2c65b00b82cde/src/plugins/janus_recordplay.c#L1965
- https://github.com/meetecho/janus-gateway/blob/1f0b75cac1c9ad819ee4c2a905a2c65b00b82cde/src/record.c#L218
- https://github.com/meetecho/janus-gateway
- https://www.vulncheck.com/advisories/janus-webrtc-server-through-1.4.3-path-traversal-via-record-play-filename
- https://nvd.nist.gov/vuln/detail/CVE-2026-110717