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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 21, 2026, 6:01 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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221 9.1 緊急
Network 		Netty Netty NettyにおけるHTTP リクエストスマグリングに関する脆弱性 New CWE-444
HTTP リクエストスマグリング 		CVE-2026-42584 2026-05-20 13:29 2026-05-13 Show GitHub Exploit DB Packet Storm
222 7.5 重要
Network 		Netty Netty NettyにおけるHTTP リクエストスマグリングに関する脆弱性 New CWE-444
HTTP リクエストスマグリング 		CVE-2026-42585 2026-05-20 13:29 2026-05-13 Show GitHub Exploit DB Packet Storm
223 7.1 重要
Local 		Netty Netty NettyにおけるCRLF インジェクションの脆弱性 New CWE-93
CRLF インジェクション 		CVE-2026-42586 2026-05-20 13:29 2026-05-13 Show GitHub Exploit DB Packet Storm
224 7.5 重要
Network 		Netty Netty Nettyにおけるリソースの枯渇に関する脆弱性 New CWE-400
リソースの枯渇 		CVE-2026-42587 2026-05-20 13:29 2026-05-13 Show GitHub Exploit DB Packet Storm
225 9.8 緊急
Network 		TheCodingMachine Gotenberg TheCodingMachineのGotenbergにおけるOS コマンドインジェクションの脆弱性 New CWE-78
OSコマンド・インジェクション 		CVE-2026-42589 2026-05-20 13:29 2026-05-14 Show GitHub Exploit DB Packet Storm
226 8.2 重要
Network 		TheCodingMachine Gotenberg TheCodingMachineのGotenbergにおける不完全なブラックリストに関する脆弱性 New CWE-184
不完全なブラックリスト 		CVE-2026-42590 2026-05-20 13:29 2026-05-14 Show GitHub Exploit DB Packet Storm
227 8.2 重要
Network 		TheCodingMachine Gotenberg TheCodingMachineのGotenbergにおけるサーバサイドのリクエストフォージェリの脆弱性 New CWE-918
サーバサイドリクエストフォージェリ 		CVE-2026-42591 2026-05-20 13:29 2026-05-14 Show GitHub Exploit DB Packet Storm
228 5.3 警告
Network 		TheCodingMachine Gotenberg TheCodingMachineのGotenbergにおける複数の脆弱性 New CWE-367
CWE-918
CVE-2026-42592 2026-05-20 13:29 2026-05-14 Show GitHub Exploit DB Packet Storm
229 5.3 警告
Network 		TheCodingMachine Gotenberg TheCodingMachineのGotenbergにおける複数の脆弱性 New CWE-22
CWE-73
CVE-2026-42593 2026-05-20 13:29 2026-05-14 Show GitHub Exploit DB Packet Storm
230 7.5 重要
Network 		TheCodingMachine Gotenberg TheCodingMachineのGotenbergにおける競合状態に関する脆弱性 New CWE-362
競合状態 		CVE-2026-42594 2026-05-20 13:29 2026-05-14 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 22, 2026, 4:08 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
941 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
942 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… CWE-305
 Authentication Bypass by Primary Weakness 		CVE-2026-6334 2026-05-19 02:32 2026-05-18 Show GitHub Exploit DB Packet Storm
943 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… CWE-863
 Incorrect Authorization 		CVE-2026-6341 2026-05-19 02:32 2026-05-18 Show GitHub Exploit DB Packet Storm
944 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 … CWE-863
 Incorrect Authorization 		CVE-2026-6342 2026-05-19 02:32 2026-05-18 Show GitHub Exploit DB Packet Storm
945 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… CWE-862
 Missing Authorization 		CVE-2026-3117 2026-05-19 02:32 2026-05-18 Show GitHub Exploit DB Packet Storm
946 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… 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
947 3.1 LOW
Network 		- - Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to check if {{team_id}} was being changed when updating playbooks, allowing users with only {{Manage Playbook Configurations}} permissio… CWE-863
 Incorrect Authorization 		CVE-2026-4286 2026-05-19 02:32 2026-05-18 Show GitHub Exploit DB Packet Storm
948 3.5 LOW
Network 		- - Mattermost Desktop App versions <=6.1 6.0.1 5.4.13.0 fail to prevent server-rendered content from closing an underlying application view in the Mattermost Desktop App which allows a malicious server … CWE-754
 Improper Check for Unusual or Exceptional Conditions 		CVE-2026-4643 2026-05-19 02:32 2026-05-18 Show GitHub Exploit DB Packet Storm
949 6.5 MEDIUM
Network 		- - Mattermost versions 11.5.x <= 11.5.1 fail to verify channel membership when processing AI-assisted message rewrites which allows an authenticated attacker to read the content of threads in private ch… CWE-862
 Missing Authorization 		CVE-2026-5163 2026-05-19 02:32 2026-05-18 Show GitHub Exploit DB Packet Storm
950 4.3 MEDIUM
Network 		- - Mattermost versions 11.5.x <= 11.5.1, 11.4.x <= 11.4.3 fail to validate the X-Requested-With header on the burn-on-read reveal endpoint which allows an authenticated channel member to force the revea… CWE-346
 Origin Validation Error 		CVE-2026-6339 2026-05-19 02:32 2026-05-18 Show GitHub Exploit DB Packet Storm