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You can search for vulnerabilities managed by JVN (Japan Vulnerability Note) and NVD (National Vulnerability Database).
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To search by CWE, please refer to the CWE Overview and check the CWE number.

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JVN Vulnerability Information

Update Date":June 20, 2026, 6 p.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Impact
Show		 Exploit
PoC
Search
133691 9.6 緊急
Adjacent 		マイクロソフト Microsoft Exchange Server Microsoft Exchange Server におけるリモートでコードを実行される脆弱性 CWE-noinfo
情報不足 		CVE-2021-26427 2021-10-22 13:46 2021-10-12 Show GitHub Exploit DB Packet Storm
133692 7.8 重要
Local 		マイクロソフト Microsoft Windows Server
Microsoft Windows 10 		Microsoft Windows 10 および Windows Server におけるセキュリティ機能を回避される脆弱性 CWE-noinfo
情報不足 		CVE-2021-41346 2021-10-22 13:44 2021-10-12 Show GitHub Exploit DB Packet Storm
133693 7.8 重要
Local 		マイクロソフト Microsoft Windows Server 2019
Microsoft Windows 11
Microsoft Windows Server 2022
Microsoft Windows 10
Microsoft Windows RT … 		複数の Microsoft Windows 製品における権限を昇格される脆弱性 CWE-269
不適切な権限管理 		CVE-2021-41345 2021-10-22 13:44 2021-10-12 Show GitHub Exploit DB Packet Storm
133694 8.8 重要
Network 		マイクロソフト Microsoft SharePoint Server
Microsoft SharePoint Foundation
Microsoft SharePoint Enterprise Server 		Microsoft SharePoint におけるリモートでコードを実行される脆弱性 CWE-noinfo
情報不足 		CVE-2021-41344 2021-10-22 13:44 2021-10-12 Show GitHub Exploit DB Packet Storm
133695 5.5 警告
Local 		マイクロソフト Microsoft Windows Server 2019
Microsoft Windows 7
Microsoft Windows 11
Microsoft Windows Server 2008
Microsoft Windows Server&n… 		複数の Microsoft Windows 製品における情報を公開される脆弱性 CWE-noinfo
情報不足 		CVE-2021-41343 2021-10-22 13:44 2021-10-12 Show GitHub Exploit DB Packet Storm
133696 8.8 重要
Network 		マイクロソフト Microsoft Windows Server 2019
Microsoft Windows 7
Microsoft Windows 11
Microsoft Windows Server 2008
Microsoft Windows Server&n… 		複数の Microsoft Windows 製品におけるリモートでコードを実行される脆弱性 CWE-noinfo
情報不足 		CVE-2021-41342 2021-10-22 13:44 2021-10-12 Show GitHub Exploit DB Packet Storm
133697 7.8 重要
Local 		マイクロソフト Microsoft Windows Server 2019
Microsoft Windows 7
Microsoft Windows 11
Microsoft Windows Server 2008
Microsoft Windows Server&n… 		複数の Microsoft Windows 製品におけるリモートでコードを実行される脆弱性 CWE-noinfo
情報不足 		CVE-2021-41340 2021-10-22 13:44 2021-10-12 Show GitHub Exploit DB Packet Storm
133698 7.8 重要
Local 		マイクロソフト Microsoft Windows Server
Microsoft Windows Server 2022
Microsoft Windows 10
Microsoft Windows 11 		複数の Microsoft Windows 製品における権限を昇格される脆弱性 CWE-269
不適切な権限管理 		CVE-2021-41339 2021-10-22 13:44 2021-10-12 Show GitHub Exploit DB Packet Storm
133699 5.5 警告
Local 		マイクロソフト Microsoft Windows Server 2019
Microsoft Windows 11
Microsoft Windows Server 2022
Microsoft Windows 10
Microsoft Windows Server<… 		複数の Microsoft Windows 製品におけるセキュリティ機能を回避される脆弱性 CWE-noinfo
情報不足 		CVE-2021-41338 2021-10-22 13:44 2021-10-12 Show GitHub Exploit DB Packet Storm
133700 4.9 警告
Network 		マイクロソフト Microsoft Windows Server
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Microsoft Windows Server 2016 		Windows Server におけるセキュリティ機能を回避される脆弱性 CWE-noinfo
情報不足 		CVE-2021-41337 2021-10-22 13:44 2021-10-12 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:June 20, 2026, 4:01 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
561 4.3 MEDIUM
Network 		- - Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, the AI "explain" helper … CWE-200
Information Exposure 		CVE-2026-44785 2026-06-16 05:58 2026-06-13 Show GitHub Exploit DB Packet Storm
562 7.5 HIGH
Network 		- - Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, chat events for public c… CWE-200
Information Exposure 		CVE-2026-44786 2026-06-16 05:58 2026-06-13 Show GitHub Exploit DB Packet Storm
563 4.3 MEDIUM
Network 		- - Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, the MessageBus.publish c… CWE-200
Information Exposure 		CVE-2026-47263 2026-06-16 05:58 2026-06-13 Show GitHub Exploit DB Packet Storm
564 5.3 MEDIUM
Network 		- - Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, four authorization/discl… CWE-200
CWE-862
Information Exposure
 Missing Authorization 		CVE-2026-45085 2026-06-16 05:58 2026-06-13 Show GitHub Exploit DB Packet Storm
565 6.8 MEDIUM
Network 		- - Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, a path traversal vulnera… CWE-22
Path Traversal 		CVE-2026-45775 2026-06-16 05:58 2026-06-13 Show GitHub Exploit DB Packet Storm
566 5.3 MEDIUM
Network 		- - Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, DetailedTagSerializer#ta… CWE-200
Information Exposure 		CVE-2026-47264 2026-06-16 05:58 2026-06-13 Show GitHub Exploit DB Packet Storm
567 4.3 MEDIUM
Network 		- - Mattermost versions 11.6.x <= 11.6.1, 11.5.x <= 11.5.4, 10.11.x <= 10.11.15, 10.11.x <= 10.11.16 fail to restrict role_updated websocket event broadcasts to members of the affected team or channel wh… CWE-200
Information Exposure 		CVE-2026-3433 2026-06-16 05:56 2026-06-13 Show GitHub Exploit DB Packet Storm
568 5.3 MEDIUM
Network 		- - Mattermost versions 11.6.x <= 11.6.1, 11.5.x <= 11.5.4, 10.11.x <= 10.11.15, 10.11.x <= 10.11.16 fail to validate that a username returned during bot registration belongs to a bot account, which allo… CWE-200
Information Exposure 		CVE-2026-6046 2026-06-16 05:56 2026-06-13 Show GitHub Exploit DB Packet Storm
569 4.3 MEDIUM
Network 		- - Mattermost versions 11.6.x <= 11.6.1, 11.5.x <= 11.5.4, 10.11.x <= 10.11.15, 10.11.x <= 10.11.16 Fail to enforce PermissionInviteUser when setting AllowOpenInvite or AllowedDomains during team creati… CWE-862
 Missing Authorization 		CVE-2026-6689 2026-06-16 05:56 2026-06-13 Show GitHub Exploit DB Packet Storm
570 6.7 MEDIUM
Network 		- - Mattermost versions 11.6.x <= 11.6.1, 11.5.x <= 11.5.4, 10.11.x <= 10.11.15, 10.11.x <= 10.11.16 fail to require system-level permission when patching protected default system roles, which allows aut… CWE-863
 Incorrect Authorization 		CVE-2026-6739 2026-06-16 05:56 2026-06-13 Show GitHub Exploit DB Packet Storm