CVE-2026-110717Janus WebRTC Server through 1.4.3 Path Traversal via Record&Play Filename
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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
- 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Weakness (CWE)
- CWE-22
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 14, 2026
- First seen by InfoSec Signals
- Oct 14, 2026
Affected products
meetecho janus-gateway meetecho:janus_gateway (from the name) | through 1.4.3 | CNA record |
References
- https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/HkEaF-piGltechnical-description, exploit
- https://github.com/meetecho/janus-gateway/blob/1f0b75cac1c9ad819ee4c2a905a2c65b00b82cde/src/plugins/janus_recordplay.c#L1965technical-description
- https://github.com/meetecho/janus-gateway/blob/1f0b75cac1c9ad819ee4c2a905a2c65b00b82cde/src/record.c#L218technical-description
- https://github.com/meetecho/janus-gatewayproduct
- https://www.vulncheck.com/advisories/janus-webrtc-server-through-1.4.3-path-traversal-via-record-play-filenamethird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.