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Vulnerabilities

Vulnerability · 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

Published Oct 14, 2026 · catalog updated Oct 16, 2026 · Janus WebRTC Server through

Check if you run it

No confirmed exploitation is on record for CVE-2026-110717. EPSS is 0.46%. Act only if a listed version of Janus WebRTC Server through is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Janus WebRTC Server through).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.46%
Remediation
Advisory link
Affected products
Debian:12 janus · Debian:14 janus

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • Debian:12 janus1.1.2-1, 1.1.2-1.1, 1.1.2-1.2
  • Debian:14 janus0.10.0-1, 0.10.1-1, 0.10.2-1

How to fix CVE-2026-110717

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-110717. EPSS is 0.46%. Act only if a listed version of Janus WebRTC Server through is installed.

Which versions are affected?

Compare what you have installed with 1.1.2-1, 1.1.2-1.1, 1.1.2-1.2, 0.10.0-1, 0.10.1-1, 0.10.2-1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-22: Path Traversal. EPSS 0.46%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Debian security

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 14, 2026 · NIST NVD

    Detected

    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.

  2. Oct 14, 2026 · NIST NVD

    Updated

    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.

  3. Oct 16, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-110717

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-110717

    30-day exploitation probability 0.5%

    first.org
  • NIST NVDVulnerability recordCVE-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 trunc

    nvd.nist.gov
  • OpenSSF OSV / OSV ScannerPackage advisoryDEBIAN-CVE-2026-110717
    osv.dev

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.