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October 2026

CVEs published October 21, 2026

550 CVEs were published on October 21, 2026: 54 critical, 216 high. 2 are now in CISA KEV.

Published
550
Critical
54
High
216
Medium
249
Low
28
Unrated
3
Now in CISA KEV
2
Fix available
364

Most affected products

Apache Software Foundation Apache bRPC
35
triggerdotdev trigger.dev
21
Apache Software Foundation Apache Traffic Server
15
Splunk SOAR
15
Apache Software Foundation Apache Pulsar
14
Splunk Enterprise
14
Progressive Robot hMailServer
12
GitLab
11
polonel trudesk
11
python-pillow Pillow · pillow
11

Critical 54

High 216

Medium, low and unrated 280