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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 27, 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
661 6.1 警告
Network
Python Software Foundation cpython Python Software Foundationのcpythonにおける複数の脆弱性 CWE-116
CWE-150
CVE-2026-6019 2026-05-20 13:25 2026-04-22 Show GitHub Exploit DB Packet Storm
662 4.3 警告
Network
Mattermost, Inc. Mattermost Server Mattermost, Inc.のMattermost Serverにおける同一生成元ポリシー違反に関する脆弱性 CWE-346
同一生成元ポリシー違反
CVE-2026-6339 2026-05-20 13:25 2026-05-18 Show GitHub Exploit DB Packet Storm
663 4.3 警告
Network
Mattermost, Inc. Mattermost Server Mattermost, Inc.のMattermost Serverにおける不正な認証に関する脆弱性 CWE-863
不正な認証
CVE-2026-6343 2026-05-20 13:25 2026-05-18 Show GitHub Exploit DB Packet Storm
664 6.5 警告
Network
Mattermost, Inc. Mattermost Server Mattermost, Inc.のMattermost Serverにおける認証情報の不十分な保護に関する脆弱性 CWE-522
認証情報の不十分な保護
CVE-2026-6345 2026-05-20 13:25 2026-05-18 Show GitHub Exploit DB Packet Storm
665 8.7 重要
Network
Mattermost, Inc. Mattermost Server Mattermost, Inc.のMattermost Serverにおける情報漏えいに関する脆弱性 CWE-200
情報漏えい
CVE-2026-6346 2026-05-20 13:25 2026-05-18 Show GitHub Exploit DB Packet Storm
666 7.6 重要
Network
Mattermost, Inc. Mattermost Server Mattermost, Inc.のMattermost Serverにおける情報漏えいに関する脆弱性 CWE-200
情報漏えい
CVE-2026-6347 2026-05-20 13:25 2026-05-18 Show GitHub Exploit DB Packet Storm
667 6.5 警告
Network
webpack.js webpack-dev-server webpackのwebpack-dev-serverにおける危険なメソッドや機能の公開に関する脆弱性 CWE-749
危険なメソッドや機能の公開
CVE-2026-6402 2026-05-20 13:25 2026-05-12 Show GitHub Exploit DB Packet Storm
668 5.4 警告
Network
PostgreSQL.org PostgreSQL PostgreSQL.orgのPostgreSQLにおける認証の欠如に関する脆弱性 CWE-862
認証の欠如
CVE-2026-6472 2026-05-20 13:25 2026-05-14 Show GitHub Exploit DB Packet Storm
669 8.8 重要
Network
PostgreSQL.org PostgreSQL PostgreSQL.orgのPostgreSQLにおける整数オーバーフローの脆弱性 CWE-190
整数オーバーフローまたはラップアラウンド
CVE-2026-6473 2026-05-20 13:25 2026-05-14 Show GitHub Exploit DB Packet Storm
670 4.3 警告
Network
PostgreSQL.org PostgreSQL PostgreSQL.orgのPostgreSQLにおける書式文字列に関する脆弱性 CWE-134
書式文字列の問題
CVE-2026-6474 2026-05-20 13:25 2026-05-14 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 27, 2026, 4:52 a.m.

No CVSS Level
Attach Vector
Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
1621 4.3 MEDIUM
Network
- - Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.5.11, there is a blind server side request forgery (SSRF) via the PDF generate function. … CWE-918
Server-Side Request Forgery (SSRF) 
CVE-2026-45347 2026-05-19 02:36 2026-05-16 Show GitHub Exploit DB Packet Storm
1622 7.1 HIGH
Network
- - Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.6, there is a vulnerability in chat completion API, which allows attackers to bypass to… CWE-862
 Missing Authorization
CVE-2026-45350 2026-05-19 02:36 2026-05-16 Show GitHub Exploit DB Packet Storm
1623 6.5 MEDIUM
Network
- - Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.9, when a regular user [non-admin] logs into the application, a http://IP:8080/api/mode… CWE-200
Information Exposure
CVE-2026-45351 2026-05-19 02:36 2026-05-16 Show GitHub Exploit DB Packet Storm
1624 4.3 MEDIUM
Network
dovecot
open-xchange
dovecot Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imap_acl_allow_anyone=no. This causes folders to be spammed to all users. The impact is lim… CWE-284
NVD-CWE-noinfo
Improper Access Control
CVE-2026-40020 2026-05-19 02:36 2026-05-12 Show GitHub Exploit DB Packet Storm
1625 5.3 MEDIUM
Adjacent
dovecot
open-xchange
dovecot Attacker can use a specially crafted base64 exchange between Dovecot and Client to fake SCRAM TLS channel binding. This requires that the attacker is able to position itself between Dovecot and the c… CWE-99
Resource Injection
CVE-2026-33603 2026-05-19 02:35 2026-05-12 Show GitHub Exploit DB Packet Storm
1626 6.5 MEDIUM
Network
dovecot
open-xchange
dovecot Attacker can upload a malicious Sieve script over ManageSieve service (or locally) to bypass configured CPU time limits for Sieve up to 130 times of the configured limit. Attacker can use this to deg… CWE-400
 Uncontrolled Resource Consumption
CVE-2026-40016 2026-05-19 02:34 2026-05-12 Show GitHub Exploit DB Packet Storm
1627 8.2 HIGH
Network
- - PHP Timeclock 1.04 contains time-based and boolean-based blind SQL injection vulnerabilities in the login_userid parameter of login.php that allows unauthenticated attackers to extract database conte… CWE-89
SQL Injection
CVE-2021-47966 2026-05-19 02:33 2026-05-16 Show GitHub Exploit DB Packet Storm
1628 6.1 MEDIUM
Network
- - PHP Timeclock 1.04 contains multiple cross-site scripting vulnerabilities that allow unauthenticated attackers to inject arbitrary JavaScript by manipulating URL paths and POST parameters. Attackers … CWE-79
Cross-site Scripting
CVE-2021-47967 2026-05-19 02:33 2026-05-16 Show GitHub Exploit DB Packet Storm
1629 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 that a remote cluster has access to a channel before processing membership removal requests during shared … CWE-863
 Incorrect Authorization
CVE-2026-28759 2026-05-19 02:32 2026-05-18 Show GitHub Exploit DB Packet Storm
1630 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 limit the size of the request body on the start meeting API endpoint, which allows an authenticated attacker to cau… CWE-770
 Allocation of Resources Without Limits or Throttling
CVE-2026-2325 2026-05-19 02:32 2026-05-18 Show GitHub Exploit DB Packet Storm