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You can search for vulnerabilities managed by JVN (Japan Vulnerability Note) and NVD (National Vulnerability Database).
Search keywords must be entered in English otherwise will not be searched in both JVN and NVD.

To search by CWE, please refer to the CWE Overview and check the CWE number.

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JVN Vulnerability Information

Update Date":May 19, 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
206441 9.3 危険 マイクロソフト - Microsoft Internet Explorer 9 から 11 および Microsoft Edge における任意のコードを実行される脆弱性 CWE-119
バッファエラー 		CVE-2015-6148 2015-12-10 15:45 2015-12-8 Show GitHub Exploit DB Packet Storm
206442 9.3 危険 マイクロソフト - Microsoft Internet Explorer 11 および Microsoft Edge における任意のコードを実行される脆弱性 CWE-119
バッファエラー 		CVE-2015-6142 2015-12-10 15:45 2015-12-8 Show GitHub Exploit DB Packet Storm
206443 9.3 危険 マイクロソフト - Microsoft Internet Explorer 11 および Microsoft Edge における任意のコードを実行される脆弱性 CWE-119
バッファエラー 		CVE-2015-6140 2015-12-10 15:45 2015-12-8 Show GitHub Exploit DB Packet Storm
206444 9.3 危険 マイクロソフト - Microsoft Internet Explorer 11 および Microsoft Edge における特権付きコンテキスト内で任意の Web スクリプトを実行される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2015-6139 2015-12-10 15:45 2015-12-8 Show GitHub Exploit DB Packet Storm
206445 9.3 危険 マイクロソフト - Microsoft Internet Explorer 8 から 11 などの製品で使用される Microsoft VBScript および JScript エンジンにおける任意のコードを実行される脆弱性 CWE-119
バッファエラー 		CVE-2015-6136 2015-12-10 15:23 2015-12-8 Show GitHub Exploit DB Packet Storm
206446 5 警告 マイクロソフト - Microsoft Internet Explorer 8 から 11 などの製品で使用される Microsoft VBScript および JScript エンジンにおけるプロセスメモリから重要な情報を取得される脆弱性 CWE-200
情報漏えい 		CVE-2015-6135 2015-12-10 15:23 2015-12-8 Show GitHub Exploit DB Packet Storm
206447 6.8 警告 マイクロソフト - Microsoft Internet Explorer 9 から 11 における同一生成元ポリシーを回避される脆弱性 CWE-20
不適切な入力確認 		CVE-2015-6164 2015-12-10 14:42 2015-12-8 Show GitHub Exploit DB Packet Storm
206448 9.3 危険 マイクロソフト - Microsoft Internet Explorer 10 における任意のコードを実行される脆弱性 CWE-119
バッファエラー 		CVE-2015-6162 2015-12-10 14:42 2015-12-8 Show GitHub Exploit DB Packet Storm
206449 9.3 危険 マイクロソフト - Microsoft Internet Explorer 11 における任意のコードを実行される脆弱性 CWE-119
バッファエラー 		CVE-2015-6160 2015-12-10 14:42 2015-12-8 Show GitHub Exploit DB Packet Storm
206450 4.3 警告 マイクロソフト - Microsoft Internet Explorer 11 におけるプロセスメモリから重要な情報を取得される脆弱性 CWE-200
情報漏えい 		CVE-2015-6157 2015-12-10 14:42 2015-12-8 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 19, 2026, 4:16 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
161 3.7 LOW
Network 		- - Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to validate that the RefreshedToken differs from the original invite token during remote cluster invite confirmation which allows an aut… New CWE-863
 Incorrect Authorization 		CVE-2026-4273 2026-05-19 02:32 2026-05-18 Show GitHub Exploit DB Packet Storm
162 3.1 LOW
Network 		- - Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to enforce client identity binding during the OAuth authorization code redemption flow which allows an authenticated OAuth client to red… New CWE-305
 Authentication Bypass by Primary Weakness 		CVE-2026-6334 2026-05-19 02:32 2026-05-18 Show GitHub Exploit DB Packet Storm
163 4.3 MEDIUM
Network 		- - Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 fail to validate 7zip archive structure before processing which allows an authenticated attacker to cause server memory exh… New CWE-789
 Memory Allocation with Excessive Size Value 		CVE-2026-6340 2026-05-19 02:32 2026-05-18 Show GitHub Exploit DB Packet Storm
164 4.3 MEDIUM
Network 		- - Mattermost Plugins versions <=11.5 11.1.5 10.13.11 11.3.4.0 fail to have API-level checks on which groups the user can create issues or attach comments to which allows a user that is member of multip… New CWE-863
 Incorrect Authorization 		CVE-2026-6341 2026-05-19 02:32 2026-05-18 Show GitHub Exploit DB Packet Storm
165 4.3 MEDIUM
Network 		- - Mattermost Plugins versions <=11.5 11.1.5 10.13.11 11.3.4.0 fail to appropriately check for valid namespaces which allows plugin users to create subscriptions to groups that were not whitelisted via … New CWE-863
 Incorrect Authorization 		CVE-2026-6342 2026-05-19 02:32 2026-05-18 Show GitHub Exploit DB Packet Storm
166 4.3 MEDIUM
Network 		- - Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 Fail to enforce slash command trigger-word uniqueness during command updates which allows an authenticated team member with… New CWE-863
 Incorrect Authorization 		CVE-2026-28732 2026-05-19 02:32 2026-05-18 Show GitHub Exploit DB Packet Storm
167 6.5 MEDIUM
Network 		- - Mattermost Plugins versions <=11.5 11.1.5 10.13.11 11.3.4.0 fail to properly check for permissions when processing commands in the Gitlab plugin which allows normal users to uninstall instances or se… New CWE-862
 Missing Authorization 		CVE-2026-3117 2026-05-19 02:32 2026-05-18 Show GitHub Exploit DB Packet Storm
168 6.5 MEDIUM
Network 		- - Mattermost Desktop App versions <=6.1 6.0.1 5.4.13.0 fail to prevent an invalid URL from loading in a pop-up window in the Mattermost Desktop App which allows a malicious server owner to repeated cra… New CWE-939
 Improper Authorization in Handler for Custom URL Scheme 		CVE-2026-3471 2026-05-19 02:32 2026-05-18 Show GitHub Exploit DB Packet Storm
169 3.1 LOW
Network 		- - Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to check if {{team_id}} was being changed when updating playbooks, allowing users with only {{Manage Playbook Configurations}} permissio… New CWE-863
 Incorrect Authorization 		CVE-2026-4286 2026-05-19 02:32 2026-05-18 Show GitHub Exploit DB Packet Storm
170 3.5 LOW
Network 		- - Mattermost Desktop App versions <=6.1 6.0.1 5.4.13.0 fail to prevent server-rendered content from closing an underlying application view in the Mattermost Desktop App which allows a malicious server … New CWE-754
 Improper Check for Unusual or Exceptional Conditions 		CVE-2026-4643 2026-05-19 02:32 2026-05-18 Show GitHub Exploit DB Packet Storm