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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 22, 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
4021 7.5 重要
Network 		libexpat project libexpat libexpat projectのlibexpatにおけるエントロピー不足に関する脆弱性 CWE-331
エントロピー不足 		CVE-2026-41080 2026-04-27 11:20 2026-04-16 Show GitHub Exploit DB Packet Storm
4022 7.5 重要
Network 		free5gc free5gc
pcf 		free5GCのfree5GC等の複数製品におけるリソースの枯渇に関する脆弱性 CWE-400
リソースの枯渇 		CVE-2026-41135 2026-04-27 11:20 2026-04-22 Show GitHub Exploit DB Packet Storm
4023 5.3 警告
Network 		free5gc free5gc
amf 		free5GCのamf等の複数製品における予期せぬ動作に関する脆弱性　 CWE-440
予期せぬ動作 		CVE-2026-41136 2026-04-27 11:20 2026-04-22 Show GitHub Exploit DB Packet Storm
4024 8.1 重要
Network 		GitLab.org GitLab GitLab.orgのGitLab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-2026-4922 2026-04-27 11:20 2026-04-22 Show GitHub Exploit DB Packet Storm
4025 6.1 警告
Network 		GitLab.org GitLab GitLab.orgのGitLab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-2026-5262 2026-04-27 11:20 2026-04-22 Show GitHub Exploit DB Packet Storm
4026 4.3 警告
Network 		GitLab.org GitLab GitLab.orgのGitLabにおける不正な認証に関する脆弱性 CWE-863
不正な認証 		CVE-2026-5377 2026-04-27 11:20 2026-04-22 Show GitHub Exploit DB Packet Storm
4027 8.1 重要
Network 		GitLab.org GitLab GitLab.orgのGitLabにおけるパスの等価性の不適切な解決に関する脆弱性 CWE-41
パスの等価性の不適切な解決 		CVE-2026-5816 2026-04-27 11:19 2026-04-22 Show GitHub Exploit DB Packet Storm
4028 9.1 緊急
Network 		Rapid7 velociraptor Rapid7のvelociraptorにおける不正な認証に関する脆弱性 CWE-863
不正な認証 		CVE-2026-6290 2026-04-27 11:19 2026-04-15 Show GitHub Exploit DB Packet Storm
4029 5.3 警告
Network 		fastify fastify-static fastifyのfastify-staticにおけるパストラバーサルの脆弱性 CWE-22
パス・トラバーサル 		CVE-2026-6410 2026-04-27 11:19 2026-04-16 Show GitHub Exploit DB Packet Storm
4030 5.9 警告
Network 		fastify fastify-static fastifyのfastify-staticにおけるURL エンコーディング（16進エンコーディング）の処理に関する脆弱性 CWE-177
URLエンコーディング（16進エンコーディング）の不適切な処理 		CVE-2026-6414 2026-04-27 11:19 2026-04-16 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