CVE catalog

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

[CVE catalog]

Severity: Medium · CVSS 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published: Oct 14, 2026, 4:17:43 PM UTC
Updated: Oct 14, 2026, 4:17:43 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.46% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	janus	sid	`1.4.1+ds-4`	unknown
Debian	janus	forky	`1.4.1+ds-4`	unknown
Debian	janus	bookworm	`1.1.2-1`	unknown

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	janus	source	sid	`(unfixed)`	not yet assigned	Not reported	Not reported
Debian	janus	source	forky	`(unfixed)`	not yet assigned	Not reported	Not reported
Debian	janus	source	bookworm	`(unfixed)`	not yet assigned	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[janus]Affected
Details (2)
- 1.1.2-1 · amd64 · bookworm
  Affected
  nvd · janus · debian · bookworm; nvd · janus · debian · 12
- 1.1.2-1 · arm64 · bookworm
  Affected
  nvd · janus · debian · bookworm; nvd · janus · debian · 12
[janus-demos]Affected
Source package: [janus]
Details (2)
- 1.1.2-1 · all · bookworm
  Affected
  nvd · janus · debian · bookworm; nvd · janus · debian · 12
- 1.1.2-1 · all · bookworm
  Affected
  nvd · janus · debian · bookworm; nvd · janus · debian · 12
[janus-dev]Affected
Source package: [janus]
Details (2)
- 1.1.2-1 · amd64 · bookworm
  Affected
  nvd · janus · debian · bookworm; nvd · janus · debian · 12
- 1.1.2-1 · arm64 · bookworm
  Affected
  nvd · janus · debian · bookworm; nvd · janus · debian · 12
[janus-doc]Affected
Source package: [janus]
Details (2)
- 1.1.2-1 · all · bookworm
  Affected
  nvd · janus · debian · bookworm; nvd · janus · debian · 12
- 1.1.2-1 · all · bookworm
  Affected
  nvd · janus · debian · bookworm; nvd · janus · debian · 12
[janus-tools]Affected
Source package: [janus]
Details (2)
- 1.1.2-1 · amd64 · bookworm
  Affected
  nvd · janus · debian · bookworm; nvd · janus · debian · 12
- 1.1.2-1 · arm64 · bookworm
  Affected
  nvd · janus · debian · bookworm; nvd · janus · debian · 12
[libjs-janus-gateway]Affected
Source package: [janus]
Details (2)
- 1.1.2-1 · all · bookworm
  Affected
  nvd · janus · debian · bookworm; nvd · janus · debian · 12
- 1.1.2-1 · all · bookworm
  Affected
  nvd · janus · debian · bookworm; nvd · janus · debian · 12

Observed: Oct 24, 2026, 6:50:49 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database]