SEPTEMBER 13, 2026
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Case File

CVE-2026-90778

HIGH · CVSS 7.5 Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-13 · Last synced 2026-09-13

CyberRota Analysis

AI-Generated

SIPp versions up to 3.7.7 are vulnerable to a buffer overflow in the get_peer_tag() function, triggered by processing SIP To headers with tag parameters exceeding 2049 bytes. This flaw allows unauthenticated remote attackers to send specially crafted SIP messages, potentially leading to process crashes and service disruptions. Organizations utilizing SIPp should prioritize patching or mitigating this vulnerability to prevent exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗ github.com ↗ github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-90778
Severity
HIGH
CVSS
7.5
EPSS
N/A

Original NVD Description

SIPp through 3.7.7 contains a buffer overflow vulnerability in get_peer_tag() function when processing SIP To headers with tag parameters of 2049 bytes or more. Unauthenticated remote attackers can send crafted SIP messages with oversized tag parameters to overflow the static buffer and crash the process.