CVE-2026-77322 SIPGO - Denial of Service

SIPGO < 1.4.3 contains a denial of service caused by missing MaxFrameSize in WSConnection.Read leading to oversized allocation or panic in wsutil.Reader, letting unauthenticated WS/WSS peers crash or exhaust server memory, exploit requires unauthenticated network access.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.52% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
22 September 2026
Updated
15 October 2026
Weakness
CWE-789

Vendor fix

Update to version 1.4.3 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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