SEPTEMBER 17, 2026
Live Feed
Back to database
Case File

CVE-2026-45078

MEDIUM · CVSS 5.5 EPSS 0.13% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-05-28 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.5. Public exploit code or proof-of-concept references have been detected in its references. Exploitation may require the attacker to be authenticated.

Public Exploit Signal

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

GitHub PoC Links

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

CVE
CVE-2026-45078
Severity
MEDIUM
CVSS
5.5
EPSS
0.13%

Original NVD Description

Synapse is an open source Matrix homeserver implementation. Prior to 1.152.1, local authenticated users can cause Synapse to starve other requests of CPU and lead to other requests failing, causing other users to be denied service. This vulnerability is fixed in 1.152.1.

Related CVEs

Other vulnerabilities affecting the same vendor(s)