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You can search for vulnerabilities managed by JVN (Japan Vulnerability Note) and NVD (National Vulnerability Database).
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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
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237201 4.3 警告 opendb - OpenDb 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-2008-3937 2012-09-25 17:17 2008-09-5 Show GitHub Exploit DB Packet Storm
237202 5.8 警告 hans oesterholt - CMME 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-2008-3926 2012-09-25 17:17 2008-09-4 Show GitHub Exploit DB Packet Storm
237203 4.3 警告 hans oesterholt - CMME の admin.php におけるクロスサイトリクエストフォージェリの脆弱性 CWE-352
同一生成元ポリシー違反 		CVE-2008-3925 2012-09-25 17:17 2008-09-4 Show GitHub Exploit DB Packet Storm
237204 4.3 警告 hans oesterholt - CMME の "バックアップ作成" 機能におけるアカウント名を発見される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2008-3924 2012-09-25 17:17 2008-09-4 Show GitHub Exploit DB Packet Storm
237205 4.3 警告 hans oesterholt - CMME の statistics.php 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-2008-3923 2012-09-25 17:17 2008-09-4 Show GitHub Exploit DB Packet Storm
237206 9.3 危険 ジャストシステム - ジャストシステムの一太郎などの製品における任意のコードを実行される脆弱性 CWE-94
コード・インジェクション 		CVE-2008-3919 2012-09-25 17:17 2008-08-26 Show GitHub Exploit DB Packet Storm
237207 7.5 危険 ovidentia - Ovidentia の index.php における SQL インジェクションの脆弱性 CWE-89
SQLインジェクション 		CVE-2008-3918 2012-09-25 17:17 2008-09-4 Show GitHub Exploit DB Packet Storm
237208 4.3 警告 ovidentia - Ovidentia の index.php 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-2008-3917 2012-09-25 17:17 2008-09-4 Show GitHub Exploit DB Packet Storm
237209 9.3 危険 Linux - Linux kernel の nfsd 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-2008-3915 2012-09-25 17:17 2008-08-29 Show GitHub Exploit DB Packet Storm
237210 7.2 危険 Linux - Linux kernel におけるスタックベースのバッファをオーバーフローされる脆弱性 CWE-119
バッファエラー 		CVE-2008-3911 2012-09-25 17:17 2008-08-31 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 28, 2026, 4:16 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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2371 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
2372 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
2373 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
2374 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
2375 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
2376 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
2377 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
2378 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
2379 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
2380 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