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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 26, 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
531 7.5 重要
Network 		Mozilla Foundation Mozilla Thunderbird
Mozilla Firefox 		Mozilla FoundationのMozilla Firefox等の複数製品におけるバッファエラーの脆弱性 CWE-119
バッファエラー 		CVE-2026-8946 2026-05-21 10:47 2026-05-19 Show GitHub Exploit DB Packet Storm
532 7.3 重要
Network 		Mozilla Foundation Mozilla Thunderbird
Mozilla Firefox 		Mozilla FoundationのMozilla Firefox等の複数製品における解放済みメモリの使用に関する脆弱性 CWE-416
解放済みメモリの使用 		CVE-2026-8947 2026-05-21 10:47 2026-05-19 Show GitHub Exploit DB Packet Storm
533 9.6 緊急
Network 		Mozilla Foundation Mozilla Thunderbird
Mozilla Firefox 		Mozilla FoundationのMozilla Firefox等の複数製品における解放済みメモリの使用に関する脆弱性 CWE-416
解放済みメモリの使用 		CVE-2026-8953 2026-05-21 10:47 2026-05-19 Show GitHub Exploit DB Packet Storm
534 7.5 重要
Network 		Mozilla Foundation Mozilla Thunderbird
Mozilla Firefox 		Mozilla FoundationのMozilla Firefox等の複数製品におけるバッファエラーの脆弱性 CWE-119
バッファエラー 		CVE-2026-8954 2026-05-21 10:47 2026-05-19 Show GitHub Exploit DB Packet Storm
535 4.3 警告
Network 		シックス・アパート株式会社 Movable Type Premium (Advanced Edition)
Movable Type
Movable Type Advanced
Movable Type Premium 		Movable Typeにおける権限チェックの欠如の脆弱性 CWE-Other
その他 		CVE-2026-44392 2026-05-20 14:09 2026-05-20 Show GitHub Exploit DB Packet Storm
536 4.3 警告
Network 		Outlook.com Microsoft Edge Chromium Microsoft Edge (Chromium ベース) for Android のスプーフィングの脆弱性 CWE-451
ユーザインターフェースにおける重要情報の誤った表示 		CVE-2026-40416 2026-05-20 13:31 2026-05-12 Show GitHub Exploit DB Packet Storm
537 4.3 警告
Network 		Mattermost, Inc. Mattermost Server Mattermost, Inc.のMattermost Serverにおける有効期限後または解放後のリソースの操作に関する脆弱性 CWE-672
有効期限後または解放後のリソースの操作 		CVE-2026-4053 2026-05-20 13:31 2026-05-15 Show GitHub Exploit DB Packet Storm
538 6.5 警告
Network 		Mattermost, Inc. Mattermost Server Mattermost, Inc.のMattermost Serverにおける例外的な状態のチェックに関する脆弱性 CWE-754
例外的な状態における不適切なチェック 		CVE-2026-4054 2026-05-20 13:31 2026-05-15 Show GitHub Exploit DB Packet Storm
539 8.2 重要
Network 		TheCodingMachine Gotenberg TheCodingMachineのGotenbergにおける複数の脆弱性 CWE-184
CWE-73
CVE-2026-40893 2026-05-20 13:31 2026-05-14 Show GitHub Exploit DB Packet Storm
540 7.8 重要
Local 		George Nachman iTerm2 George NachmanのiTerm2における信頼できない制御領域からの機能の組み込みに関する脆弱性 CWE-829
信頼性のない制御領域からの機能の組み込み 		CVE-2026-41253 2026-05-20 13:31 2026-04-18 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 26, 2026, 4:05 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
1331 5.3 MEDIUM
Network 		misp misp MISP is an open source threat intelligence and sharing platform. Prior to 2.5.37, MISP Collections did not enforce RFC 4122 UUID validation on the uuid field. As a result, a user able to create or mo… CWE-20
NVD-CWE-noinfo
 Improper Input Validation  		CVE-2026-44379 2026-05-16 02:57 2026-05-14 Show GitHub Exploit DB Packet Storm
1332 7.1 HIGH
Local 		saitoha libsixel libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. From to 1.8.7-r1, a signed integer overflow in the SIXEL parser's image-buffer doubling loop can lead to an out-of-boun… CWE-190
CWE-787
 Integer Overflow or Wraparound
 Out-of-bounds Write 		CVE-2026-44637 2026-05-16 02:55 2026-05-15 Show GitHub Exploit DB Packet Storm
1333 2.5 LOW
Local 		saitoha libsixel libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. From to 1.8.7-r1, a wrong NULL check after an allocation call in sixel_decode_raw and sixel_decode causes a NULL pointe… CWE-476
CWE-690
 NULL Pointer Dereference
 Unchecked Return Value to NULL Pointer Dereference 		CVE-2026-44638 2026-05-16 02:54 2026-05-15 Show GitHub Exploit DB Packet Storm
1334 5.4 MEDIUM
Network 		lfprojects mcp_registry The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. Prior to 1.7.7, the public catalogue UI served at GET / (file internal/api/handlers/v0/ui_index.ht… CWE-79
CWE-116
Cross-site Scripting
 Improper Encoding or Escaping of Output 		CVE-2026-44429 2026-05-16 02:52 2026-05-15 Show GitHub Exploit DB Packet Storm
1335 7.2 HIGH
Network 		misp misp MISP is an open source threat intelligence and sharing platform. Prior to 2.5.37, an improper access control vulnerability in the authentication key reset functionality allowed an authenticated organ… CWE-863
 Incorrect Authorization 		CVE-2026-44380 2026-05-16 02:42 2026-05-14 Show GitHub Exploit DB Packet Storm
1336 5.3 MEDIUM
Network 		misp misp MISP is an open source threat intelligence and sharing platform. Prior to 2.5.37, a SQL injection vulnerability existed in the handling of user-controlled ordering parameters in the event and shadow … CWE-89
SQL Injection 		CVE-2026-44381 2026-05-16 02:37 2026-05-14 Show GitHub Exploit DB Packet Storm
1337 8.1 HIGH
Network 		fit2cloud sqlbot SQLBot is an intelligent Text-to-SQL system based on large language models and RAG. Prior to 1.8.0, SQLBot contains a Cross-Workspace IDOR (Insecure Direct Object Reference) and Authorization Bypass … CWE-639
 Authorization Bypass Through User-Controlled Key 		CVE-2026-42463 2026-05-16 02:34 2026-05-14 Show GitHub Exploit DB Packet Storm
1338 9.1 CRITICAL
Network 		opnsense opnsense OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.7, the XMLRPC method opnsense.restore_config_section fails to sanitize user supplied input leading to Remote Code Execution. T… CWE-88
Argument Injection 		CVE-2026-44193 2026-05-16 02:30 2026-05-14 Show GitHub Exploit DB Packet Storm
1339 4.7 MEDIUM
Network 		lfprojects mcp_registry The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. Prior to 1.7.6, the client-side and server-side GitHub OIDC flow is bound only to a global audienc… CWE-918
Server-Side Request Forgery (SSRF)  		CVE-2026-44428 2026-05-16 02:23 2026-05-15 Show GitHub Exploit DB Packet Storm
1340 9.1 CRITICAL
Network 		opnsense opnsense OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.8, an authenticated Remote Code Execution (RCE) vulnerability in the OPNsense core allows a user with user-management privileg… CWE-78
OS Command  		CVE-2026-44194 2026-05-16 02:19 2026-05-14 Show GitHub Exploit DB Packet Storm