CVE-2026-44700

HIGHNVD 8.78.7—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.7 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 83% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
8.7EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 8.7Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

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 v3
8.7
EG Score
8.7HIGHmedium confidence
EG Risk
54
EG Risk 54/100

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity87% × 45%
Exploitation0% × 40%
Automatability100% × 15%
EPSS PROB
0.4%
EPSS %ILE
32nd
KEV
Not listed

Published

May 14, 2026

Last Modified

May 15, 2026

Advisory Details (5)

Auto-updated May 14, 2026
🔬 Proof of concept available. Patch available. Sources: github.
githubMentions a patch (unverified)

Missing DTLS peer fingerprint validation in ex_webrtc client-role handshake · Advisory · elixir-webrtc/ex_webrtc · GitHub

https://github.com/elixir-webrtc/ex_webrtc/security/advisories/GHSA-qwfw-ggxw-577c
generic

Release v0.16.1 · elixir-webrtc/ex_webrtc · GitHub

https://github.com/elixir-webrtc/ex_webrtc/releases/tag/v0.16.1
generic

Release v0.15.1 · elixir-webrtc/ex_webrtc · GitHub

https://github.com/elixir-webrtc/ex_webrtc/releases/tag/v0.15.1
generic

[FCE-3227] Fix DTLS fingerprint not being validated in certain cases by sgfn · Pull Request #250 · elixir-webrtc/ex_webrtc · GitHub

https://github.com/elixir-webrtc/ex_webrtc/pull/250
generic🟡 PoC Available

Vulnerability Report: Missing Peer Fingerprint Validation After DTLS Finished · Issue #249 · elixir-webrtc/ex_webrtc · GitHub

https://github.com/elixir-webrtc/ex_webrtc/issues/249

Vendor Advisories for CVE-2026-44700(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(1 across 1 ecosystem)
Hex(1)
PackageVulnerable rangeFix by version rangeDependents
ex_webrtc0.16.0
  • every version up to 0.15.1: fixed in 0.15.1
  • 0.16.0 up to 0.16.1: fixed in 0.16.1
—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 24× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 165 total refreshes for this CVE.

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Frequently asked(5)

What is CVE-2026-44700?
CVE-2026-44700 is a high vulnerability published on May 14, 2026. 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…
When was CVE-2026-44700 disclosed?
CVE-2026-44700 was first published on May 14, 2026, with the most recent update on May 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-44700 actively exploited?
CVE-2026-44700 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (32nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-44700?
CVE-2026-44700 has a CVSS v3 base score of 8.7 (NVD).
How do I remediate CVE-2026-44700?
A fix for CVE-2026-44700 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-44700 are linked in the Vendor Advisories panel on this page.

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