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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, 4 p.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Impact
Show		 Exploit
PoC
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258611 6.8 警告 Opera Software ASA - Opera における任意の Web スクリプトを実行される脆弱性 CWE-287
不適切な認証 		CVE-2009-2067 2010-09-27 16:10 2009-06-15 Show GitHub Exploit DB Packet Storm
258612 6.8 警告 Opera Software ASA - Opera における任意の Web スクリプトを実行される脆弱性 CWE-287
不適切な認証 		CVE-2009-2063 2010-09-27 16:10 2009-06-15 Show GitHub Exploit DB Packet Storm
258613 6.8 警告 Opera Software ASA - Opera における任意の Web スクリプトを実行される脆弱性 CWE-287
不適切な認証 		CVE-2009-2059 2010-09-27 16:10 2009-06-15 Show GitHub Exploit DB Packet Storm
258614 9.3 危険 アドビシステムズ
Opera Software ASA		 - Opera における Adobe Acrobat の JavaScript の制限を回避される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2009-1599 2010-09-27 16:09 2009-05-11 Show GitHub Exploit DB Packet Storm
258615 5 警告 Opera Software ASA - Opera におけるサービス運用妨害 (DoS) の脆弱性 CWE-399
リソース管理の問題 		CVE-2008-7245 2010-09-27 16:09 2009-09-18 Show GitHub Exploit DB Packet Storm
258616 9.3 危険 Opera Software ASA - Windows 上で稼働する Opera におけるヒープベースのバッファオーバーフローの脆弱性 CWE-119
バッファエラー 		CVE-2008-5178 2010-09-27 16:09 2008-11-20 Show GitHub Exploit DB Packet Storm
258617 10 危険 Opera Software ASA - Opera における脆弱性 CWE-noinfo
情報不足 		CVE-2009-0916 2010-09-27 16:08 2009-03-3 Show GitHub Exploit DB Packet Storm
258618 4.3 警告 Opera Software ASA - Windows 上で稼働する Opera におけるサービス運用妨害 (DoS) の脆弱性 CWE-399
リソース管理の問題 		CVE-2008-5428 2010-09-27 16:07 2008-12-11 Show GitHub Exploit DB Packet Storm
258619 4.3 警告 Opera Software ASA - Opera の Opera.dll におけるクロスサイトスクリプティングの脆弱性 CWE-79
クロスサイト・スクリプティング（XSS） 		CVE-2008-4725 2010-09-27 16:07 2008-10-23 Show GitHub Exploit DB Packet Storm
258620 5.8 警告 Opera Software ASA - Opera における新規フィードの購読を作成される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2008-4698 2010-09-27 16:05 2008-10-23 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
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259581 5.3 MEDIUM
Network 		mattermost mattermost_server An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It mishandles IP-based rate limiting. CWE-770
 Allocation of Resources Without Limits or Throttling 		CVE-2017-18899 2024-11-21 12:21 2020-06-20 Show GitHub Exploit DB Packet Storm
259582 5.3 MEDIUM
Network 		mattermost mattermost_server An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows crafted posts that potentially cause a web browser to hang. CWE-404
 Improper Resource Shutdown or Release 		CVE-2017-18898 2024-11-21 12:21 2020-06-20 Show GitHub Exploit DB Packet Storm
259583 6.1 MEDIUM
Network 		mattermost mattermost_server An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5, when used as an OAuth 2.0 service provider. It mishandles a deny action for a redirection. CWE-601
Open Redirect 		CVE-2017-18897 2024-11-21 12:21 2020-06-20 Show GitHub Exploit DB Packet Storm
259584 5.3 MEDIUM
Network 		mattermost mattermost_server An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows attackers to add DEBUG lines to the logs via a REST API version 3 logging endpoint. CWE-732
 Incorrect Permission Assignment for Critical Resource 		CVE-2017-18896 2024-11-21 12:21 2020-06-20 Show GitHub Exploit DB Packet Storm
259585 5.3 MEDIUM
Network 		mattermost mattermost_server An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows attackers to obtain sensitive information (user statuses) via a REST API version 4 endpoint. CWE-200
Information Exposure 		CVE-2017-18895 2024-11-21 12:21 2020-06-20 Show GitHub Exploit DB Packet Storm
259586 8.1 HIGH
Network 		mattermost mattermost_server An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5, when used as an OAuth 2.0 service provider. Sometimes. resource-owner authorization is bypassed, allowing account takeover. CWE-732
 Incorrect Permission Assignment for Critical Resource 		CVE-2017-18894 2024-11-21 12:21 2020-06-20 Show GitHub Exploit DB Packet Storm
259587 6.1 MEDIUM
Network 		mattermost mattermost_server An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. Display names allow XSS. CWE-79
Cross-site Scripting 		CVE-2017-18893 2024-11-21 12:21 2020-06-20 Show GitHub Exploit DB Packet Storm
259588 6.1 MEDIUM
Network 		mattermost mattermost_server An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. E-mail templates can have a field in which HTML content is not neutralized. CWE-116
 Improper Encoding or Escaping of Output 		CVE-2017-18892 2024-11-21 12:21 2020-06-20 Show GitHub Exploit DB Packet Storm
259589 6.1 MEDIUM
Network 		mattermost mattermost_server An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows Phishing because an error page can have a link. CWE-601
Open Redirect 		CVE-2017-18891 2024-11-21 12:21 2020-06-20 Show GitHub Exploit DB Packet Storm
259590 4.3 MEDIUM
Network 		mattermost mattermost_server An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows an attacker to create a button that, when pressed by a user, launches an API request. CWE-20
 Improper Input Validation  		CVE-2017-18890 2024-11-21 12:21 2020-06-20 Show GitHub Exploit DB Packet Storm