CVE-2026-44700

Elixir WebRTC is an Elixir implementation of the W3C WebRTC API. Prior to 0.15.1 and 0.16.1, missing DTLS peer certificate fingerprint validation in the DTLS client (active) role removes one side of WebRTC's mutual authentication. The bug is not independently exploitable for media interception in standard deployments, but enables a full man-in-the-middle attack when chained with insecure signalling or a peer with similar validation gaps. This vulnerability is fixed in 0.15.1 and 0.16.1.

CVSS 4.0

8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 16% of CVEs (scores of 2026-10-25)

CWE

CWE-295

Published

2026-05-14

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

References

• https://github.com/elixir-webrtc/ex_webrtc/issues/249
• https://github.com/elixir-webrtc/ex_webrtc/pull/250
• https://github.com/elixir-webrtc/ex_webrtc/releases/tag/v0.15.1
• https://github.com/elixir-webrtc/ex_webrtc/releases/tag/v0.16.1
• https://github.com/elixir-webrtc/ex_webrtc/security/advisories/GHSA-qwfw-ggxw-577c

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