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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-2026-77505
Use after free in DNS Server allows an unauthorized attacker to execute code ove...
high 8.1 —Microsoft / windows 10 1607 2026-09-082026-09-28
CVE-2026-77896
Integer overflow or wraparound in Remote Desktop Client allows an unauthorized a...
high 7.5 —Microsoft / windows 10 1607 2026-09-082026-09-28
CVE-2026-13210
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.7...
high 7.7 —Gitlab / gitlab 2026-09-152026-09-28
CVE-2026-19304
IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacke...
high 7.7 —Langflow / langflow 2026-09-042026-09-28
CVE-2026-100663
Netty's HTTP/3 codec (io.netty:netty-codec-http3) from 4.2.2.Final through 4.2.1...
high 7.5 —— 2026-09-262026-09-28
CVE-2026-100671
Grav is a flat-file CMS.
high 8.0 —— 2026-09-262026-09-28
CVE-2026-100639
SiYuan v3.8.3 fails to HTML-escape the data-subtype attribute when generating gu...
high 8.8 —— 2026-09-262026-09-28
CVE-2026-100643
SiYuan versions before v3.8.4 fail to properly escape four stored Attribute View...
high 8.0 —— 2026-09-262026-09-28
CVE-2026-100606
Flowise through 3.1.4 (Enterprise/platform mode with SSO enabled) contains an au...
high 7.7 —— 2026-09-262026-09-28
CVE-2026-100610
Flowise through 3.1.4 exposes GET /api/v1/upsert-history/:id and PATCH /api/v1/u...
high 7.5 —— 2026-09-262026-09-28
CVE-2026-69498
Use after free in Windows Win32K allows an authorized attacker to elevate privil...
high 7.0 —Microsoft / windows 10 1809 2026-09-082026-09-28
CVE-2026-88765
GitLab has remediated an issue in GitLab EE affecting all versions from 12.3 to...
high 8.5 —Gitlab / gitlab 2026-09-152026-09-28
CVE-2026-92470
GitLab has remediated an issue in GitLab EE affecting all versions from 18.7 bef...
high 7.7 —Gitlab / gitlab 2026-09-242026-09-28
CVE-2026-45751
Suricata is a network Intrusion Detection System, Intrusion Prevention System an...
high 7.5 —Oisf / suricata 2026-09-102026-09-28
CVE-2026-45762
Suricata is a network Intrusion Detection System, Intrusion Prevention System an...
high 7.5 —Oisf / suricata 2026-09-102026-09-28
CVE-2026-46387
Suricata is a network Intrusion Detection System, Intrusion Prevention System an...
high 7.5 —Oisf / suricata 2026-09-102026-09-28
CVE-2026-45747
Suricata is a network Intrusion Detection System, Intrusion Prevention System an...
high 7.5 —Oisf / suricata 2026-09-102026-09-28
CVE-2026-63452
Suricata is a network Intrusion Detection System, Intrusion Prevention System an...
high 7.5 —Oisf / suricata 2026-09-182026-09-28
CVE-2026-71418
Suricata is a network Intrusion Detection System, Intrusion Prevention System an...
high 7.5 —Oisf / suricata 2026-09-182026-09-28
CVE-2026-71855
Suricata is a network Intrusion Detection System, Intrusion Prevention System an...
high 7.5 —Oisf / suricata 2026-09-182026-09-28
CVE-2026-93436
vLLM through 0.29.0 fails to properly clean up decode-side metadata for rejected...
high 7.5 —Vllm / vllm 2026-09-172026-09-28
CVE-2026-85887
Incorrect permission assignment for critical resource in M365 Copilot allows an...
high 7.7 —Microsoft / 365 copilot 2026-09-182026-09-28
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-2026-63446
Suricata is a network Intrusion Detection System, Intrusion Prevention System an...
high 7.5 —Oisf / suricata 2026-09-182026-09-28
CVE-2026-63447
Suricata is a network Intrusion Detection System, Intrusion Prevention System an...
high 7.5 —Oisf / suricata 2026-09-182026-09-28
CVE-2026-63448
Suricata is a network Intrusion Detection System, Intrusion Prevention System an...
high 7.5 —Oisf / suricata 2026-09-182026-09-28
CVE-2026-46352
Suricata is a network Intrusion Detection System, Intrusion Prevention System an...
high 7.5 —Oisf / suricata 2026-09-162026-09-28
CVE-2026-77605
Notepad++ is a free and open-source source code editor.
high 7.8 —— 2026-09-222026-09-28
CVE-2026-86054
Notepad++ is a free and open-source source code editor.
high 7.8 —— 2026-09-222026-09-28
CVE-2026-86595
Improper neutralization of special elements used in an SQL command ('SQL injecti...
high 8.8 —— 2026-09-282026-09-28
CVE-2026-57178
Python Social Auth is a social authentication/registration mechanism.
high 7.4 —— 2026-09-242026-09-28
CVE-2026-100707
Kyverno before 1.19.1 contains a namespace isolation bypass in the apiCall conte...
high 7.7 —— 2026-09-262026-09-28
CVE-2026-100679
stoatchat before 0.15.5 fails to validate that MFA tickets belong to the authent...
high 8.8 —— 2026-09-262026-09-28
CVE-2026-100703
Kyverno 1.16.0 through 1.19.0 registers the globalcontext.Lib CEL library in its...
high 7.7 —— 2026-09-262026-09-28
CVE-2026-100607
Flowise through 3.1.4 resolves SSO and local-password users solely by email with...
high 7.7 —— 2026-09-262026-09-28
CVE-2026-100567
OpenClaw is an agent gateway distributed as the npm package 'openclaw'.
high 8.2 —— 2026-09-262026-09-28
CVE-2026-100579
OpenClaw (npm package 'openclaw') before 2026.7.1 incorrectly trusts requester p...
high 7.6 —— 2026-09-262026-09-28
CVE-2026-100587
OpenClaw versions before 2026.7.1 fail to properly validate owner authorization...
high 8.8 —— 2026-09-262026-09-28
CVE-2026-100558
OpenClaw versions before 2026.8.1 contain a resource exhaustion vulnerability in...
high 7.5 —— 2026-09-262026-09-28
CVE-2026-100530
OpenClaw versions before 2026.8.1 fail to bind working directory context to reus...
high 7.3 —— 2026-09-262026-09-28

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.