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September 2026 CVE archive

Records published 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.

Published in September 2026Materially updated (Critical / KEV)
Total records
15,074
Critical
1,387
High
5,790
Medium
4,828
Low
527
Severity not reported
2,542
In CISA KEV
32

Most affected vendors (by CPE data where available): microsoft (995), google (652), oracle (309), apple (245), ibm (229), adobe (213), mozilla (191), dell (185), arubanetworks (100), linux (88)

CVESeverityCVSSKEVVendor / productPublishedModified
CVE-2026-93659
Concrete CMS Community Store before 2.7.8 renders customer-supplied order fields...
high 8.1 —— 2026-09-182026-09-28
CVE-2026-93576
A flaw was found in Netty netty-codec-smtp.
high 7.5 —— 2026-09-182026-09-25
CVE-2026-93652
Integer overflow in µD3TN v0.15.0 TCPCLv3 handshake causes heap overflow, allowi...
high 7.5 —— 2026-09-182026-09-18
CVE-2026-93565
A flaw was found in Netty RtspDecoder.
high 7.5 —— 2026-09-182026-10-15
CVE-2026-93567
A flaw was found in Netty's HTTP/2 codec.
high 7.5 —— 2026-09-182026-10-19
CVE-2026-93568
A flaw was found in Netty.
high 7.5 —— 2026-09-182026-10-19
CVE-2026-93569
A flaw was found in Netty.
high 8.2 —— 2026-09-182026-10-19
CVE-2026-93558
A flaw was found in Netty's WebSocketServerExtensionHandler.
high 7.5 —— 2026-09-182026-10-15
CVE-2026-93564
A flaw was found in Netty.
high 7.5 —— 2026-09-182026-10-15
CVE-2026-77929
ClipBucket v5 before 5.5.3-#182 contains a file upload vulnerability that allows...
high 8.8 —— 2026-09-182026-09-22
CVE-2026-93604
vm2 through 3.12.0 exposes Node.js's crypto.setFips() function to untrusted gues...
high 7.2 —— 2026-09-182026-09-18
CVE-2026-93597
ArcadeDB versions before 26.9.1 fail to validate IPv6 transition addresses in th...
high 7.7 —— 2026-09-182026-09-18
CVE-2026-93599
rustls-webpki through 0.103.12 (and 0.104.0-alpha releases before 0.104.0-alpha....
high 7.5 —— 2026-09-182026-09-22
CVE-2026-93591
SiYuan versions before 3.8.3 contain an SQL injection vulnerability in the graph...
high 7.6 —— 2026-09-182026-09-18
CVE-2026-93592
vLLM versions before 0.28.0 fail to validate the lower bound of token IDs in the...
high 7.5 —Vllm / vllm 2026-09-182026-09-28
CVE-2026-93593
ArcadeDB before 26.9.1 fails to enforce security-group types ACL entries for Tim...
high 8.1 —— 2026-09-182026-09-22
CVE-2026-93594
ArcadeDB (Maven artifact com.arcadedb:arcadedb-engine) through 26.8.1 enforces i...
high 8.1 —— 2026-09-182026-09-18
CVE-2026-93589
ImageMagick before 7.1.2-31 and 6.9.13-56 contains a division-by-zero flaw in th...
high 7.5 —Imagemagick / imagemagick 2026-09-182026-10-29
CVE-2026-93590
ImageMagick before 7.1.2-31 contains a policy bypass vulnerability in the UHDR e...
high 7.5 —Imagemagick / imagemagick 2026-09-182026-10-16
CVE-2026-93560
A flaw was found in the Netty STOMP codec.
high 7.5 —— 2026-09-182026-09-22
CVE-2026-88622
NUUO Network Video Recorder 2.0.0 is vulnerable to Command Injection in handle_i...
high 8.8 —— 2026-09-182026-09-22
CVE-2026-88623
NUUO Network Video Recorder 2.0.0 is vulnerable to arbitrary file read.
high 7.5 —— 2026-09-182026-09-22
CVE-2023-5778
Improper handling of length parameter inconsistency vulnerability in ABB Freelan...
high 7.5 —— 2026-09-182026-09-18
CVE-2026-93491
A flaw was found in Netty's HttpServerCodec.
high 7.5 —— 2026-09-182026-10-15
CVE-2026-93488
A flaw was found in Netty.
high 7.5 —— 2026-09-182026-10-15
CVE-2026-28197
An authenticated, low-privileged user with access to the NetBackup Flex OS mana...
high 8.8 —— 2026-09-182026-09-18
CVE-2026-28198
An authenticated, low-privileged user with access to the NetBackup Flex OS mana...
high 8.8 —— 2026-09-182026-09-18
CVE-2026-93575
A flaw was found in Netty's MqttDecoder.
high 7.5 —— 2026-09-182026-09-25
CVE-2026-93563
A flaw was found in Netty's `SmtpResponseDecoder` component.
high 7.5 —— 2026-09-182026-09-25
CVE-2026-93572
A flaw was found in Netty's `RedisArrayAggregator` component.
high 7.5 —— 2026-09-182026-09-25
CVE-2026-81627
A flaw was found in QEMU.
high 8.2 —— 2026-09-182026-09-21
CVE-2026-87743
A flaw was found in Quarkus HTTP security.
high 7.5 —— 2026-09-182026-10-29
CVE-2026-87915
The Popup Maker – Boost Sales, Conversions, Optins, Subscribers with the Ultimat...
high 7.2 —— 2026-09-182026-09-18
CVE-2026-18405
The Jeg Kit for Elementor – Powerful Addons for Elementor, Widgets & Templates f...
high 7.2 —— 2026-09-182026-09-18
CVE-2026-6205
An external control of file name or path vulnerability in Upload API in Synology...
high 8.1 —— 2026-09-182026-09-18
CVE-2026-83561
The Complianz GDPR/CCPA Cookie Consent Banner plugin for WordPress is vulnerable...
high 7.2 —— 2026-09-182026-09-18
CVE-2026-85410
The Master Addons for Elementor – Elementor Addons, Widgets, Mega Menu Builder,...
high 8.1 —— 2026-09-182026-09-19
CVE-2026-40539
An improper certificate validation vulnerability in Email API in Synology DiskSt...
high 7.1 —— 2026-09-182026-09-18
CVE-2026-40530
An improper neutralization of CRLF sequences ('CRLF injection') vulnerability in...
high 8.0 —— 2026-09-182026-09-18
CVE-2026-13673
An incorrect permission assignment for critical resource vulnerability in LDAP A...
high 8.8 —— 2026-09-182026-09-18

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.