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CVE-2026-73213Proof of concept (PoC) published · CISA

Coturn: `addr_less_eq()` does a component-wise IPv6 comparison instead of a lexicographic one, letting an authenticated TURN client bypass `denied-peer-ip`/`allowed-peer-ip` IPv6 ranges (TURN-specific SSRF)

CVSS score

5.8

EPSS probability

%0.4

Risk score

0.0

Published

2 mo ago

Vulnerability Timeline (Change History)

CVE-2026-73213 historical changes made to the vulnerability by NVD, CISA and MITRE:

DateActor / SourceAction / DescriptionTypePrevious valueNew value
09.09.2026nvd@nist.govInitial Analysis & CVSS Vector AssignmentCVSS V3.1—CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
11.08.2026CISA CoordinatorSSVC Risk Re-assessmentSSVC / KEVexploitation: noneexploitation: none
11.08.2026MITRE / NVDNew CVE Record Received & IngestedCVE Created—CVE-2026-73213

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