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September 2026

CVEs published September 4, 2026

562 CVEs were published on September 4, 2026: 52 critical, 161 high.

Published
562
Critical
52
High
161
Medium
187
Low
6
Unrated
156
Now in CISA KEV
0
Fix available
347

Most affected products

Linux
156
IBM i
22
IBM Langflow OSS
17
yeswiki · yeswiki/yeswiki
12
undici
11
IBM App Connect Enterprise · IBM Integration Bus for z/OS
9
PassMark Software PerformanceTest · PassMark Software Bu… +1
8
pjsip pjproject
8
siyuan-note siyuan
8
thorsten phpMyFAQ
8

Critical 52

High 161

Medium, low and unrated 349