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CVE-2026-110717— Janus WebRTC Server through 1.4.3 Path Traversal via Record&Play Filename

Quick assessment

Affected
meetecho janus-gateway
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 separator

CVSS 5.3 · Medium

Affected Version Matrix 1

VendorProduct Version RangeStatus
meetecho janus-gateway ≤ 1.4.3 affected
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I. Basic Information for CVE-2026-110717

Vulnerability Information

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Vulnerability Title
Janus WebRTC Server through 1.4.3 Path Traversal via Record&Play Filename
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
meetecho janus-gateway 0 ~ 1.4.3 -

II. Public POCs for CVE-2026-110717

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III. Intelligence Information for CVE-2026-110717

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Other References for CVE-2026-110717 (5)

IV. Related Vulnerabilities

Same product: janus-gateway
Same vendor: meetecho
Same weakness: CWE-22

V. Comments for CVE-2026-110717

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