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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":June 21, 2026, 2 p.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Impact
Show		 Exploit
PoC
Search
281 5.7 警告
Network 		Splunk Splunk
splunk cloud platform 		SplunkのSplunk等の複数製品における入力確認に関する脆弱性 CWE-20
不適切な入力確認 		CVE-2026-20256 2026-06-16 13:38 2026-06-10 Show GitHub Exploit DB Packet Storm
282 5.7 警告
Network 		Splunk Splunk
splunk cloud platform 		SplunkのSplunk等の複数製品における入力確認に関する脆弱性 CWE-20
不適切な入力確認 		CVE-2026-20257 2026-06-16 13:38 2026-06-10 Show GitHub Exploit DB Packet Storm
283 5.4 警告
Network 		Splunk Splunk
splunk cloud platform 		SplunkのSplunk等の複数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-2026-20258 2026-06-16 13:38 2026-06-10 Show GitHub Exploit DB Packet Storm
284 7.2 重要
Network 		QNAP Systems QuTS hero
QNAP QTS 		QNAP SystemsのQNAP QTS等の複数製品におけるOS コマンドインジェクションの脆弱性 CWE-78
OSコマンド・インジェクション 		CVE-2026-22893 2026-06-16 13:38 2026-06-10 Show GitHub Exploit DB Packet Storm
285 7.2 重要
Network 		QNAP Systems QuTS hero
QNAP QTS 		QNAP SystemsのQNAP QTS等の複数製品におけるNULL ポインタデリファレンスに関する脆弱性 CWE-476
NULL ポインタデリファレンス 		CVE-2026-24716 2026-06-16 13:38 2026-06-10 Show GitHub Exploit DB Packet Storm
286 7.2 重要
Network 		QNAP Systems QuTS hero
QNAP QTS 		QNAP SystemsのQNAP QTS等の複数製品におけるOS コマンドインジェクションの脆弱性 CWE-78
OSコマンド・インジェクション 		CVE-2026-24719 2026-06-16 13:38 2026-06-10 Show GitHub Exploit DB Packet Storm
287 5.3 警告
Network 		NAVTOR AS NavBox Firmware NAVTOR ASのNavBox Firmwareにおけるエラーメッセージによる情報漏えいに関する脆弱性 CWE-209
エラーメッセージによる情報漏えい 		CVE-2026-2752 2026-06-16 13:38 2026-03-6 Show GitHub Exploit DB Packet Storm
288 7.5 重要
Network 		OpenSSL Project OpenSSL OpenSSL ProjectのOpenSSLにおける境界外読み取りに関する脆弱性 CWE-125
境界外読み取り 		CVE-2026-34180 2026-06-16 13:38 2026-06-9 Show GitHub Exploit DB Packet Storm
289 7.4 重要
Network 		OpenSSL Project OpenSSL OpenSSL ProjectのOpenSSLにおけるデータの整合性検証不備に関する脆弱性 CWE-354
データの整合性検証不備 		CVE-2026-34181 2026-06-16 13:38 2026-06-9 Show GitHub Exploit DB Packet Storm
290 9.1 緊急
Network 		OpenSSL Project OpenSSL OpenSSL ProjectのOpenSSLにおけるデータの整合性検証不備に関する脆弱性 CWE-354
データの整合性検証不備 		CVE-2026-34182 2026-06-16 13:38 2026-06-9 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:June 21, 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
190981 9.8 CRITICAL
Network 		connectwise automate An XXE vulnerability exists in ConnectWise Automate before 2021.0.6.132. CWE-611
XXE 		CVE-2021-35066 2024-11-21 15:11 2021-06-22 Show GitHub Exploit DB Packet Storm
190982 4.8 MEDIUM
Network 		checksec canopy CheckSec Canopy before 3.5.2 allows XSS attacks against the login page via the LOGIN_PAGE_DISCLAIMER parameter. CWE-79
Cross-site Scripting 		CVE-2021-34815 2024-11-21 15:11 2021-06-18 Show GitHub Exploit DB Packet Storm
190983 7.5 HIGH
Network 		synology calendar Use of hard-coded credentials vulnerability in php component in Synology Calendar before 2.4.0-0761 allows remote attackers to obtain sensitive information via unspecified vectors. - CVE-2021-34812 2024-11-21 15:11 2021-06-18 Show GitHub Exploit DB Packet Storm
190984 4.3 MEDIUM
Network 		synology download_station Server-Side Request Forgery (SSRF) vulnerability in task management component in Synology Download Station before 3.8.16-3566 allows remote authenticated users to access intranet resources via unspec… - CVE-2021-34811 2024-11-21 15:11 2021-06-18 Show GitHub Exploit DB Packet Storm
190985 8.8 HIGH
Network 		synology download_station Improper privilege management vulnerability in cgi component in Synology Download Station before 3.8.16-3566 allows remote authenticated users to execute arbitrary code via unspecified vectors. - CVE-2021-34810 2024-11-21 15:11 2021-06-18 Show GitHub Exploit DB Packet Storm
190986 8.8 HIGH
Network 		synology download_station Improper neutralization of special elements used in a command ('Command Injection') vulnerability in task management component in Synology Download Station before 3.8.16-3566 allows remote authentica… - CVE-2021-34809 2024-11-21 15:11 2021-06-18 Show GitHub Exploit DB Packet Storm
190987 5.3 MEDIUM
Network 		synology media_server Server-Side Request Forgery (SSRF) vulnerability in cgi component in Synology Media Server before 1.8.3-2881 allows remote attackers to access intranet resources via unspecified vectors. - CVE-2021-34808 2024-11-21 15:11 2021-06-18 Show GitHub Exploit DB Packet Storm
190988 7.5 HIGH
Network 		quassel-irc
fedoraproject 		quassel
fedora 		Quassel through 0.13.1, when --require-ssl is enabled, launches without SSL or TLS support if a usable X.509 certificate is not found on the local system. CWE-319
Cleartext Transmission of Sensitive Information 		CVE-2021-34825 2024-11-21 15:11 2021-06-17 Show GitHub Exploit DB Packet Storm
190989 9.8 CRITICAL
Network 		matrix olm Matrix libolm before 3.2.3 allows a malicious Matrix homeserver to crash a client (while it is attempting to retrieve an Olm encrypted room key backup from the homeserver) because olm_pk_decrypt has … CWE-787
 Out-of-bounds Write 		CVE-2021-34813 2024-11-21 15:11 2021-06-17 Show GitHub Exploit DB Packet Storm
190990 7.8 HIGH
Local 		teamviewer teamviewer TeamViewer before 14.7.48644 on Windows loads untrusted DLLs in certain situations. CWE-427
 Uncontrolled Search Path Element 		CVE-2021-34803 2024-11-21 15:11 2021-06-17 Show GitHub Exploit DB Packet Storm