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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
11,186
Critical
1,210
High
4,308
Medium
4,071
Low
456
Severity not reported
1,141
In CISA KEV
59

Most affected vendors (by CPE data where available): microsoft (945), google (605), oracle (274), apple (244), adobe (197), dell (137), ibm (104), arubanetworks (101), mongodb (64), apache (53)

CVESeverityCVSSKEVVendor / productPublishedModified
CVE-2026-55179
Joplin is an open source note-taking and to-do application that organises notes...
medium 6.5 —— 2026-09-212026-09-23
CVE-2026-59816
Joplin is an open source note-taking and to-do application that organises notes...
medium 4.3 —— 2026-09-212026-09-23
CVE-2026-61722
FluidSynth is a software synthesizer based on the SoundFont 2 specifications.
medium 6.8 —— 2026-09-182026-09-23
CVE-2026-76805
Nuclei is a vulnerability scanner built on a simple YAML-based DSL.
medium 5.3 —— 2026-09-222026-09-23
CVE-2026-83600
Netdata is an open source observability tool.
medium 6.5 —— 2026-09-222026-09-23
CVE-2026-86056
Notepad++ is a free and open-source source code editor.
medium 5.5 —— 2026-09-222026-09-23
CVE-2026-63334
draw.io is a configurable diagramming and whiteboarding application.
medium 6.8 —— 2026-09-212026-09-23
CVE-2026-63373
draw.io is a configurable diagramming and whiteboarding application.
medium 4.2 —— 2026-09-212026-09-23
CVE-2026-93307
A vulnerability has been found in O-RAN-SC SMO OAM 2025-06-10.
medium 4.3 —— 2026-09-172026-09-23
CVE-2026-78579
The Okta Access Gateway does not sanitize SAML assertion attribute values before...
medium 6.5 —Okta / access gateway 2026-09-082026-09-23
CVE-2026-16264
The Newsletters WordPress plugin before 4.18.1 does not perform an ownership che...
medium 6.5 —— 2026-09-232026-09-23
CVE-2026-18364
The zportals WordPress plugin before 6.4.2 does not perform any capability or no...
medium 4.3 —— 2026-09-232026-09-23
CVE-2026-18365
The zportals WordPress plugin before 6.4.2 does not perform any capability or no...
medium 4.3 —— 2026-09-232026-09-23
CVE-2026-77765
The Better Payment WordPress plugin before 2.3.4 does not validate the submitted...
medium 5.3 —— 2026-09-232026-09-23
CVE-2026-77766
The Directorist: AI-Powered Business Directory, Listings & Classified Ads WordPr...
medium 4.3 —— 2026-09-232026-09-23
CVE-2026-80342
The Payment Plugins for PayPal WooCommerce WordPress plugin before 2.0.27 does n...
medium 6.5 —— 2026-09-232026-09-23
CVE-2026-81338
The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not pro...
medium 4.6 —— 2026-09-232026-09-23
CVE-2026-81339
The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not per...
medium 4.3 —— 2026-09-232026-09-23
CVE-2026-83555
The Email Subscribers & Newsletters WordPress plugin before 5.9.35 does not veri...
medium 5.3 —— 2026-09-232026-09-23
CVE-2026-84026
The Directorist: AI-Powered Business Directory, Listings & Classified Ads WordPr...
medium 5.3 —— 2026-09-232026-09-23
CVE-2026-84027
The Directorist: AI-Powered Business Directory, Listings & Classified Ads WordPr...
medium 4.3 —— 2026-09-232026-09-23
CVE-2026-84046
The Directorist: AI-Powered Business Directory, Listings & Classified Ads WordPr...
medium 5.0 —— 2026-09-232026-09-23
CVE-2026-84098
The Directorist: AI-Powered Business Directory, Listings & Classified Ads WordPr...
medium 6.5 —— 2026-09-232026-09-23
CVE-2026-84150
The Directorist: AI-Powered Business Directory, Listings & Classified Ads WordPr...
medium 5.4 —— 2026-09-232026-09-23
CVE-2026-84168
The Easy Hide Login WordPress plugin before 1.7 does not fully enforce its hidde...
medium 5.3 —— 2026-09-232026-09-23
CVE-2026-84741
The Events Calendar WordPress plugin before 6.17.5 does not check the post statu...
medium 5.3 —— 2026-09-232026-09-23
CVE-2026-85006
The HappyAddons for Elementor WordPress plugin before 3.50.0 does not escape an...
medium 6.8 —— 2026-09-232026-09-23
CVE-2026-86602
The WP Recipe Maker WordPress plugin before 10.8.2 does not perform any capabili...
medium 4.3 —— 2026-09-232026-09-23
CVE-2026-86603
The WP Recipe Maker WordPress plugin before 10.8.2 does not have any authorisati...
medium 4.3 —— 2026-09-232026-09-23
CVE-2026-86783
The Post Grid Gutenberg Blocks WordPress plugin before 5.0.41 does not perform a...
medium 5.3 —— 2026-09-232026-09-23
CVE-2026-86842
The Real3D Flipbook WordPress plugin before 5.4 does not perform capability chec...
medium 6.8 —— 2026-09-232026-09-23
CVE-2026-86601
The WP Recipe Maker WordPress plugin before 10.8.2 does not remove shortcodes fr...
medium 6.5 —— 2026-09-232026-09-23
CVE-2026-86604
The GTranslate WordPress plugin before 5.0.1 does not remove shortcodes from the...
medium 4.8 —— 2026-09-232026-09-23
CVE-2026-86612
The Ninja Tables WordPress plugin before 5.2.17 does not restrict shortcode expa...
medium 5.6 —— 2026-09-232026-09-23
CVE-2026-87070
The Forminator Forms WordPress plugin before 1.57.2.1 does not verify that a req...
medium 5.3 —— 2026-09-232026-09-23
CVE-2026-87071
The Forminator Forms WordPress plugin before 1.57.2.1 does not restrict which me...
medium 5.3 —— 2026-09-232026-09-23
CVE-2026-87978
The Paymob for WooCommerce WordPress plugin before 4.1.14 does not verify the re...
medium 5.3 —— 2026-09-232026-09-23
CVE-2026-78574
The Okta Hyperdrive Integration plugin resolves a required assembly using a regi...
medium 6.3 —Okta / hyperdrive 2026-09-082026-09-23
CVE-2026-86785
The Social Commerce for WooCommerce WordPress plugin through 2.5.4 does not have...
medium 5.3 —— 2026-09-232026-09-23
CVE-2026-87979
The Paymob for WooCommerce WordPress plugin before 4.1.14 does not verify the re...
medium 5.3 —— 2026-09-232026-09-23

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.