High 7.5Published Sep 22, 2026

CVE-2026-77322SIPGO: DoS via unvalidated WebSocket frame length

Updated under an hour ago (2026-10-19 09:40 UTC)

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It affects emiago sipgo. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for emiago sipgo

Exploited in the last 30 days

SIPGO is a library for writing SIP services in the GO language. Prior to 1.4.3, WSConnection.Read in sip/transport_ws.go creates a wsutil.Reader without setting MaxFrameSize, allowing NextFrame to accept a client-controlled header.Length before ParseMaxMessageLength is applied. An unauthenticated WS or WSS peer can send a frame header declaring an extremely large payload, causing an oversized allocation or a makeslice length panic before the payload is read and crashing or exhausting memory in the server process. This issue is fixed in version 1.4.3.

CVSS: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-789
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Awaiting Analysis
Record last updated: Sep 23, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

emiago sipgo emiago:sipgo (from the name)	before 1.4.3	CNA record

References

https://github.com/emiago/sipgo/security/advisories/GHSA-8h6x-h86x-75whx-refsource-confirm
https://github.com/emiago/sipgo/commit/769e4bc958376e2363566c8f7042202b410becdcx-refsource-misc
https://github.com/emiago/sipgo/releases/tag/v1.4.3x-refsource-misc

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.