High severityGHSA Advisory· Published May 14, 2026· Updated May 15, 2026
CVE-2026-44700
CVE-2026-44700
Description
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
ex_webrtcHex | < 0.15.1 | 0.15.1 |
ex_webrtcHex | >= 0.16.0, < 0.16.1 | 0.16.1 |
Affected products
1- Range: = 0.16.0
Patches
Vulnerability mechanics
References
8- github.com/advisories/GHSA-qwfw-ggxw-577cghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-44700ghsaADVISORY
- github.com/elixir-webrtc/ex_webrtc/commit/658c63221a869fb12bb9989599c3688751b0531bghsaWEB
- github.com/elixir-webrtc/ex_webrtc/issues/249nvdWEB
- github.com/elixir-webrtc/ex_webrtc/pull/250nvdWEB
- github.com/elixir-webrtc/ex_webrtc/releases/tag/v0.15.1nvdWEB
- github.com/elixir-webrtc/ex_webrtc/releases/tag/v0.16.1nvdWEB
- github.com/elixir-webrtc/ex_webrtc/security/advisories/GHSA-qwfw-ggxw-577cnvdWEB
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