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You can search for vulnerabilities managed by JVN (Japan Vulnerability Note) and NVD (National Vulnerability Database).
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JVN Vulnerability Information

Update Date":June 2, 2026, 6 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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252731 4.3 警告 HomeSeer Technologies, LLC. - HomeSeer HS2 の Web インターフェース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-2011-4836 2011-12-21 15:24 2011-12-15 Show GitHub Exploit DB Packet Storm
252732 7.5 危険 HomeSeer Technologies, LLC. - HomeSeer HS2 の Web インターフェースにおけるディレクトリトラバーサルの脆弱性 CWE-22
パス・トラバーサル 		CVE-2011-4835 2011-12-21 15:23 2011-12-15 Show GitHub Exploit DB Packet Storm
252733 9.3 危険 RSAセキュリティ - EMC RSA SecurID Software Token における権限を取得される脆弱性 CWE-Other
その他 		CVE-2011-4141 2011-12-21 14:34 2011-12-17 Show GitHub Exploit DB Packet Storm
252734 4.3 警告 Mozilla Foundation
SafeNet, Inc
7-Technologies		 - 複数の SafeNet 製品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-2011-3339 2011-12-21 14:21 2011-12-12 Show GitHub Exploit DB Packet Storm
252735 6.8 警告 奈良先端科学技術大学院大学 - 茶筌 (ChaSen) における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-2011-4000 2011-12-20 18:12 2011-11-8 Show GitHub Exploit DB Packet Storm
252736 8.3 危険 富士通
日本電気
日立		 - Preboot Execution Environment (PXE) SDK を使用した製品における複数の脆弱性 CWE-119
CWE-22
CVE-2009-0270 2011-12-20 17:33 2011-12-15 Show GitHub Exploit DB Packet Storm
252737 9.3 危険 Parallels - Parallels Plesk Panel の Control Panel における詳細不明な脆弱性 CWE-DesignError
CVE-2011-4856 2011-12-20 14:41 2011-12-16 Show GitHub Exploit DB Packet Storm
252738 9.3 危険 Parallels - Parallels Plesk Panel の Control Panel における詳細不明な脆弱性 CWE-DesignError
CVE-2011-4855 2011-12-20 14:40 2011-12-16 Show GitHub Exploit DB Packet Storm
252739 9.3 危険 Parallels - Parallels Plesk Panel の Control Panel における詳細不明な脆弱性 CWE-DesignError
CVE-2011-4854 2011-12-20 14:40 2011-12-16 Show GitHub Exploit DB Packet Storm
252740 4.3 警告 Parallels - Parallels Plesk Panel の Control Panel における重要な情報を取得される脆弱性 CWE-200
情報漏えい 		CVE-2011-4853 2011-12-20 14:38 2011-12-16 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:June 2, 2026, 4:18 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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208511 7.5 HIGH
Network 		hedgedoc hedgedoc HedgeDoc is a collaborative platform for writing and sharing markdown. In HedgeDoc before version 1.7.1 an unauthenticated attacker can upload arbitrary files to the upload storage backend including … - CVE-2020-26286 2024-11-21 14:19 2020-12-29 Show GitHub Exploit DB Packet Storm
208512 9.6 CRITICAL
Network 		linuxfoundation dex Dex is a federated OpenID Connect provider written in Go. In Dex before version 2.27.0 there is a critical set of vulnerabilities which impacts users leveraging the SAML connector. The vulnerabilitie… - CVE-2020-26290 2024-11-21 14:19 2020-12-29 Show GitHub Exploit DB Packet Storm
208513 7.5 HIGH
Network 		date-and-time_project date-and-time date-and-time is an npm package for manipulating date and time. In date-and-time before version 0.14.2, there a regular expression involved in parsing which can be exploited to to cause a denial of s… - CVE-2020-26289 2024-11-21 14:19 2020-12-29 Show GitHub Exploit DB Packet Storm
208514 5.4 MEDIUM
Network 		zammad zammad An issue was discovered in Zammad before 3.4.1. There is Stored XSS via a Tags element in a TIcket. CWE-79
Cross-site Scripting 		CVE-2020-26035 2024-11-21 14:19 2020-12-28 Show GitHub Exploit DB Packet Storm
208515 4.3 MEDIUM
Network 		zammad zammad An account-enumeration issue was discovered in Zammad before 3.4.1. The Create User functionality is implemented in a way that would enable an anonymous user to guess valid user email addresses. The … NVD-CWE-noinfo
CVE-2020-26034 2024-11-21 14:19 2020-12-28 Show GitHub Exploit DB Packet Storm
208516 5.4 MEDIUM
Network 		zammad zammad An issue was discovered in Zammad before 3.4.1. The Tag and Link REST API endpoints (for add and delete) lack a CSRF token check. CWE-352
 Origin Validation Error 		CVE-2020-26033 2024-11-21 14:19 2020-12-28 Show GitHub Exploit DB Packet Storm
208517 7.5 HIGH
Network 		zammad zammad An SSRF issue was discovered in Zammad before 3.4.1. The SMS configuration interface for Massenversand is implemented in a way that renders the result of a test request to the User. An attacker can u… CWE-918
Server-Side Request Forgery (SSRF)  		CVE-2020-26032 2024-11-21 14:19 2020-12-28 Show GitHub Exploit DB Packet Storm
208518 4.3 MEDIUM
Network 		zammad zammad An issue was discovered in Zammad before 3.4.1. The global-search feature leaks Knowledge Base drafts to Knowledge Base readers (who are authenticated but have insufficient permissions). CWE-276
Incorrect Default Permissions  		CVE-2020-26031 2024-11-21 14:19 2020-12-28 Show GitHub Exploit DB Packet Storm
208519 9.8 CRITICAL
Network 		zammad zammad An issue was discovered in Zammad before 3.4.1. There is an authentication bypass in the SSO endpoint via a crafted header, when SSO is not configured. An attacker can create a valid and authenticate… CWE-287
Improper Authentication 		CVE-2020-26030 2024-11-21 14:19 2020-12-28 Show GitHub Exploit DB Packet Storm
208520 6.5 MEDIUM
Network 		zammad zammad An issue was discovered in Zammad before 3.4.1. There are wrong authorization checks for impersonation requests via X-On-Behalf-Of. The authorization checks are performed for the actual user and not … CWE-863
 Incorrect Authorization 		CVE-2020-26029 2024-11-21 14:19 2020-12-28 Show GitHub Exploit DB Packet Storm