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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
4,833
Low
527
Severity not reported
2,537
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-2026-44506
Medplum is a developer platform that enables development of healthcare apps.
high 8.2 —— 2026-09-032026-09-09
CVE-2026-53728
Medplum is a developer platform that enables development of healthcare apps.
high 7.1 —— 2026-09-032026-09-09
CVE-2026-85393
node-forge through 1.4.0 fails to validate element count in nested DigestAlgorit...
high 7.5 —— 2026-09-032026-09-24
CVE-2026-85395
UnoPim before 2.1.3 fails to include integration store, update, and key-generati...
high 7.1 —— 2026-09-032026-09-23
CVE-2026-85396
rubyzip versions before 3.4.0 contain a path traversal vulnerability in Zip::Ent...
high 7.5 —— 2026-09-032026-09-24
CVE-2026-85028
Creation of a temporary file in a directory with insecure permissions in the FPG...
high 7.8 —— 2026-09-032026-09-08
CVE-2026-85388
Worklenz through 3.0.0 fails to properly validate the sort-field query parameter...
high 8.1 —— 2026-09-032026-09-08
CVE-2026-85390
Checkmate through 3.11.0 omits the isAllowed role guard middleware on maintenanc...
high 7.1 —— 2026-09-032026-09-10
CVE-2026-82302
Incorrect Authorization (CWE-863) in Kibana can lead to unauthorized configurati...
high 8.1 —— 2026-09-032026-09-08
CVE-2026-78583
Incorrect Authorization (CWE-863) in Kibana can lead to privilege escalation via...
high 8.1 —Elastic / kibana 2026-09-032026-09-08
CVE-2026-33630
c-ares is an asynchronous resolver library.
high 7.5 —— 2026-09-032026-09-09
CVE-2026-85012
Improper neutralization of special elements used in an OS command (CWE-78) in th...
high 8.0 —— 2026-09-032026-09-08
CVE-2026-85187
A security vulnerability has been detected in itsourcecode Online Medicine Deliv...
high 7.3 —— 2026-09-032026-09-04
CVE-2026-83959
Substance3D - Sampler is affected by a Heap-based Buffer Overflow vulnerability...
high 7.8 —Adobe / substance 3d sampler 2026-09-032026-09-08
CVE-2026-63219
GeoNetwork is a catalog application to manage spatially referenced resources.
high 8.6 —— 2026-09-032026-09-09
CVE-2026-84812
Unauthenticated Cross Site Scripting (XSS) in BP Better Messages <= 2.15.27 vers...
high 7.1 —— 2026-09-032026-09-05
CVE-2026-84836
Subscriber Insecure Direct Object References (IDOR) in WC Ukraine Shipping <= 1....
high 7.1 —— 2026-09-032026-09-03
CVE-2026-84847
Unauthenticated Broken Access Control in Quick Event Manager <= 9.17 versions.
high 7.5 —— 2026-09-032026-09-05
CVE-2026-84848
Unauthenticated Cross Site Scripting (XSS) in Quick Event Manager <= 9.17 versio...
high 7.1 —— 2026-09-032026-09-04
CVE-2026-84773
Unauthenticated Cross Site Scripting (XSS) in EWWW Image Optimizer <= 8.7.6 vers...
high 7.2 —— 2026-09-032026-09-03
CVE-2026-84776
Unauthenticated Denial of Service Attack in MalCare Security <= 6.69 versions.
high 7.5 —— 2026-09-032026-09-04
CVE-2026-84777
Unauthenticated Broken Authentication in Really Simple SSL <= 9.8.0 versions.
high 7.4 —— 2026-09-032026-09-03
CVE-2026-84778
Unauthenticated Denial of Service Attack in Migrate Guru – Site Migration & Clon...
high 7.5 —— 2026-09-032026-09-07
CVE-2026-84779
Subscriber Broken Access Control in Agentimus – AI SEO, llms.txt & MCP for AI Ag...
high 8.1 —— 2026-09-032026-09-03
CVE-2026-84761
Unauthenticated Server Side Request Forgery (SSRF) in LiteSpeed Cache <= 7.9 ver...
high 7.2 —— 2026-09-032026-09-04
CVE-2026-84763
Unauthenticated Cross Site Scripting (XSS) in RTMKit <= 2.1.5 versions.
high 7.1 —— 2026-09-032026-09-07
CVE-2026-84765
Unauthenticated Cross Site Scripting (XSS) in Breadcrumb NavXT <= 7.5.1 versions...
high 7.1 —— 2026-09-032026-09-03
CVE-2026-84756
Subscriber Privilege Escalation in WCFM Membership <= 2.11.11 versions.
high 7.1 —— 2026-09-032026-09-07
CVE-2026-84757
Unauthenticated Settings Change in WP Compress <= 7.21.28 versions.
high 8.2 —— 2026-09-032026-09-03
CVE-2026-84752
Contributor PHP Object Injection in RTMKit <= 2.1.5 versions.
high 8.8 —— 2026-09-032026-09-03
CVE-2026-81292
Unauthenticated Cross Site Scripting (XSS) in Simple Payment <= 2.5.1 versions.
high 7.1 —— 2026-09-032026-09-03
CVE-2026-81295
Unauthenticated Cross Site Scripting (XSS) in Under Construction <= 5.82 version...
high 7.1 —— 2026-09-032026-09-07
CVE-2026-81300
Unauthenticated Cross Site Scripting (XSS) in Calculation For Contact Form 7 <=...
high 7.1 —— 2026-09-032026-09-03
CVE-2026-81773
Unauthenticated Cross Site Scripting (XSS) in Ninja Forms File Uploads Extension...
high 7.1 —— 2026-09-032026-09-05
CVE-2026-81776
Unauthenticated Cross Site Scripting (XSS) in WP QuickLaTeX <= 3.8.8 versions.
high 7.1 —— 2026-09-032026-09-04
CVE-2026-85236
A cross-site request forgery (CSRF) vulnerability existed in the cullEmptyEvents...
high 8.8 —Misp-project / misp 2026-09-032026-09-11
CVE-2026-85237
A vulnerability in MISP's email-based one-time password (OTP) authentication flo...
high 8.1 —Misp-project / misp 2026-09-032026-09-11
CVE-2026-85137
A security vulnerability has been detected in SeaCMS up to 13.6.
high 7.3 —— 2026-09-032026-09-05
CVE-2026-85138
A vulnerability was detected in SeaCMS up to 13.6.
high 7.3 —— 2026-09-032026-09-03
CVE-2026-84964
A double free in the OpenSSL-based TLS certificate revocation checking path of t...
high 7.5 —Mongodb / c driver 2026-09-032026-09-22

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.