Independent & educational platform Not a government body. No link or affiliation with any government organisation. Made for learning only. Test only systems you own or are authorised to test. Become a Partner or Sponsor → Full disclaimer

September 2026 CVE archive

Records last modified in NIST NVD between Sep 1 and Sep 30, 2026 (UTC). Data imported from the NVD CVE API 2.0 and the CISA KEV catalog; each record shows its own source and verification time. The modified view only includes records that were CRITICAL or CISA-KEV-listed when imported — it is not a complete list of every modification.

Published in September 2026Materially updated (Critical / KEV)
Total records
11,321
Critical
1,226
High
4,361
Medium
4,108
Low
460
Severity not reported
1,166
In CISA KEV
59

Most affected vendors (by CPE data where available): microsoft (964), google (608), oracle (274), apple (244), adobe (197), dell (138), ibm (104), arubanetworks (101), mongodb (64), apache (56)

CVESeverityCVSSKEVVendor / productPublishedModified
CVE-2026-52748
The Kaon AR2140X router contains a vulnerability where the backup functionality...
not reported— —— 2026-09-282026-09-28
CVE-2026-52749
The Kaon AR2140X router improperly issues session cookies in responses to unauth...
not reported— —— 2026-09-282026-09-28
CVE-2026-82929
mH-DEVELOPER smart home module uses the same hard-coded SSH host keys on every d...
not reported— —— 2026-09-282026-09-28
CVE-2026-82930
mH-DEVELOPER smart home module does not verify tokens in its authorization middl...
not reported— —— 2026-09-282026-09-28
CVE-2026-82932
mH-DEVELOPER smart home module does not load any firewall rules at startup.
not reported— —— 2026-09-282026-09-28
CVE-2026-82933
mH-DEVELOPER smart home module sends its web interface and API traffic over unen...
not reported— —— 2026-09-282026-09-28
CVE-2026-82935
mH-DEVELOPER smart home module ships with an end-of-life, unsupported Debian 8 a...
not reported— —— 2026-09-282026-09-28
CVE-2026-82936
mH-DEVELOPER smart home module is vulnerable to Denial of Service due to uncontr...
not reported— —— 2026-09-282026-09-28
CVE-2026-26054
SumatraPDF is a multi-format reader for Windows.
not reported— —— 2026-09-242026-09-28
CVE-2026-53493
containerd is an open-source container runtime.
not reported— —— 2026-09-252026-09-28
CVE-2026-88003
InvoicePlane is a self-hosted open source application for managing invoices, cli...
not reported— —— 2026-09-252026-09-28
CVE-2026-56723
Zammad is a web based open source helpdesk/customer support system.
not reported— —— 2026-09-252026-09-28
CVE-2026-56724
Zammad is a web based open source helpdesk/customer support system.
not reported— —— 2026-09-252026-09-28
CVE-2026-56729
Zammad is a web based open source helpdesk/customer support system.
not reported— —— 2026-09-252026-09-28
CVE-2026-56726
Zammad is a web based open source helpdesk/customer support system.
not reported— —— 2026-09-252026-09-28
CVE-2026-56727
Zammad is a web based open source helpdesk/customer support system.
not reported— —— 2026-09-252026-09-28
CVE-2026-56728
Zammad is a web based open source helpdesk/customer support system.
not reported— —— 2026-09-252026-09-28
CVE-2026-56731
Zammad is a web based open source helpdesk/customer support system.
not reported— —— 2026-09-252026-09-28
CVE-2026-56732
Zammad is a web based open source helpdesk/customer support system.
not reported— —— 2026-09-252026-09-28
CVE-2026-56733
Zammad is a web based open source helpdesk/customer support system.
not reported— —— 2026-09-252026-09-28
CVE-2026-56735
Zammad is a web based open source helpdesk/customer support system.
not reported— —— 2026-09-252026-09-28
CVE-2026-61525
Zammad is a web based open source helpdesk/customer support system.
not reported— —— 2026-09-252026-09-28
CVE-2026-65828
Zammad is a web based open source helpdesk/customer support system.
not reported— —— 2026-09-252026-09-28
CVE-2026-84462
Zammad is a web based open source helpdesk/customer support system.
not reported— —— 2026-09-252026-09-28
CVE-2026-61855
Zammad is a web based open source helpdesk/customer support system.
not reported— —— 2026-09-252026-09-28
CVE-2026-63204
Zammad is a web based open source helpdesk/customer support system.
not reported— —— 2026-09-252026-09-28
CVE-2026-63206
Zammad is a web based open source helpdesk/customer support system.
not reported— —— 2026-09-252026-09-28
CVE-2026-63208
Zammad is a web based open source helpdesk/customer support system.
not reported— —— 2026-09-252026-09-28
CVE-2026-84458
Zammad is a web based open source helpdesk/customer support system.
not reported— —— 2026-09-252026-09-28
CVE-2026-84461
Zammad is a web based open source helpdesk/customer support system.
not reported— —— 2026-09-252026-09-28
CVE-2026-84464
Zammad is a web based open source helpdesk/customer support system.
not reported— —— 2026-09-252026-09-28
CVE-2026-57449
Actual is a local-first personal finance tool.
not reported— —— 2026-09-252026-09-28
CVE-2026-49470
GLPI is a free asset and IT management software package.
not reported— —— 2026-09-252026-09-28
CVE-2024-27123
A cross-site scripting (XSS) vulnerability has been reported to affect QcalAgent...
not reported— —— 2026-09-182026-09-28
CVE-2026-78425
Authorised users of outside applications behind the same corporate identity prov...
not reported— —— 2026-09-172026-09-28
CVE-2026-78426
The NeuVector JWT verifier accepts noncanonical Base64URL encodings of the same...
not reported— —— 2026-09-172026-09-28
CVE-2026-78427
The NeuVector admission webhook silently excludes containers from policy evaluat...
not reported— —— 2026-09-172026-09-28
CVE-2026-78428
For users authenticated through SAML or OpenID Connect (OIDC), this vulnerabilit...
not reported— —— 2026-09-172026-09-28
CVE-2026-97521
In the Linux kernel, the following vulnerability has been resolved: gfs2: fix q...
not reported— —— 2026-09-242026-09-28
CVE-2026-97511
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80...
not reported— —— 2026-09-242026-09-28

Sources: NIST NVD (CVE API 2.0) and the CISA KEV catalog. Severity is as stated by the source; missing values are shown as “not reported”, never estimated.