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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 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
Search
3121 6.6 警告
Local 		Veeam one サムスンのOne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-2026-41666 2026-04-30 12:12 2026-04-22 Show GitHub Exploit DB Packet Storm
3122 6.6 警告
Local 		Veeam one サムスンのOne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-2026-41667 2026-04-30 12:12 2026-04-22 Show GitHub Exploit DB Packet Storm
3123 10 緊急
Network 		Paperclip paperclipai/server
paperclipai 		Paperclipの@paperclipai/server等の複数製品における複数の脆弱性 CWE-1188
CWE-287
CWE-862
CVE-2026-41679 2026-04-30 12:12 2026-04-23 Show GitHub Exploit DB Packet Storm
3124 7 重要
Local 		レッドハット
libcap		 Red Hat Enterprise Linux
libcap
Red Hat OpenShift Container Platform 		libcap Project等の複数ベンダの製品におけるTime-of-check Time-of-use (TOCTOU) 競合状態の脆弱性 CWE-367
Time-of-check Time-of-use (TOCTOU) 競合状態 		CVE-2026-4878 2026-04-30 12:12 2026-04-9 Show GitHub Exploit DB Packet Storm
3125 7.8 重要
Local 		Tryton proteus Labcenter ElectronicsのProteusにおける境界外書き込みに関する脆弱性 CWE-787
境界外書き込み 		CVE-2026-5493 2026-04-30 12:12 2026-04-11 Show GitHub Exploit DB Packet Storm
3126 7.8 重要
Local 		Tryton proteus Labcenter ElectronicsのProteusにおける境界外書き込みに関する脆弱性 CWE-787
境界外書き込み 		CVE-2026-5494 2026-04-30 12:12 2026-04-11 Show GitHub Exploit DB Packet Storm
3127 7.8 重要
Local 		Tryton proteus Labcenter ElectronicsのProteusにおける境界外書き込みに関する脆弱性 CWE-787
境界外書き込み 		CVE-2026-5495 2026-04-30 12:12 2026-04-11 Show GitHub Exploit DB Packet Storm
3128 7.8 重要
Local 		Tryton proteus Labcenter ElectronicsのProteusにおける型の取り違えに関する脆弱性 CWE-843
型の取り違え 		CVE-2026-5496 2026-04-30 12:12 2026-04-11 Show GitHub Exploit DB Packet Storm
3129 6.6 警告
Local 		Veeam one サムスンのOneにおける入力で指定された数量の不適切な検証に関する脆弱性 CWE-1284
入力で指定された数量の不適切な検証 		CVE-2026-6839 2026-04-30 12:11 2026-04-22 Show GitHub Exploit DB Packet Storm
3130 5.3 警告
Network 		OpenClaw OpenClaw OpenClawにおける不適切な動作順序（早期増幅）に関する脆弱性 CWE-408
不適切な動作順序（早期増幅） 		CVE-2026-41331 2026-04-30 12:11 2026-04-21 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 20, 2026, 4:14 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
511 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… Update CWE-400
 Uncontrolled Resource Consumption 		CVE-2026-40016 2026-05-19 02:34 2026-05-12 Show GitHub Exploit DB Packet Storm
512 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… Update CWE-89
SQL Injection 		CVE-2021-47966 2026-05-19 02:33 2026-05-16 Show GitHub Exploit DB Packet Storm
513 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 … Update CWE-79
Cross-site Scripting 		CVE-2021-47967 2026-05-19 02:33 2026-05-16 Show GitHub Exploit DB Packet Storm
514 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 … New CWE-863
 Incorrect Authorization 		CVE-2026-28759 2026-05-19 02:32 2026-05-18 Show GitHub Exploit DB Packet Storm
515 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… New 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
516 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
517 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
518 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
519 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
520 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