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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, 6 p.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Impact
Show		 Exploit
PoC
Search
4391 5.3 警告
Network 		Apache Software Foundation Apache Log4cxx Apache Software FoundationのApache Log4cxxにおけるエンコードおよびエスケープに関する脆弱性 CWE-116
不適切なエンコード、または出力のエスケープ 		CVE-2026-40023 2026-04-23 10:11 2026-04-10 Show GitHub Exploit DB Packet Storm
4392 4.8 警告
Network 		axios project axios axios projectのaxiosにおける複数の脆弱性 CWE-113
CWE-444
CWE-918
CVE-2026-40175 2026-04-23 10:11 2026-04-10 Show GitHub Exploit DB Packet Storm
4393 3.7 低
Network 		phpseclib phpseclib phpseclibにおけるタイミングの違いに起因する情報漏えいに関する脆弱性 CWE-208
タイミングの違いに起因する情報漏えい 		CVE-2026-40194 2026-04-23 10:11 2026-04-10 Show GitHub Exploit DB Packet Storm
4394 7.5 重要
Network 		free5gc free5gc free5GCにおける複数の脆弱性 CWE-200
CWE-202
CWE-209
CVE-2026-40245 2026-04-23 10:11 2026-04-16 Show GitHub Exploit DB Packet Storm
4395 7.5 重要
Network 		free5gc free5gc free5GCにおける認可に関する脆弱性 CWE-285
不適切な認可 		CVE-2026-40246 2026-04-23 10:11 2026-04-16 Show GitHub Exploit DB Packet Storm
4396 7.5 重要
Network 		free5gc free5gc free5GCにおける複数の脆弱性 CWE-285
CWE-636
CVE-2026-40247 2026-04-23 10:11 2026-04-16 Show GitHub Exploit DB Packet Storm
4397 5.3 警告
Network 		free5gc free5gc free5GCにおける複数の脆弱性 CWE-636
CWE-754
CVE-2026-40249 2026-04-23 10:11 2026-04-16 Show GitHub Exploit DB Packet Storm
4398 8.1 重要
Network 		FastGPT FastGPT FastGPTにおける複数の脆弱性 CWE-284
CWE-639
CVE-2026-40252 2026-04-23 10:10 2026-04-10 Show GitHub Exploit DB Packet Storm
4399 5 警告
Network 		Weblate Weblate Weblate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-2026-40256 2026-04-23 10:10 2026-04-15 Show GitHub Exploit DB Packet Storm
4400 7.8 重要
Local 		Debian
LibTIFF
レッドハット		 LibTIFF
Red Hat Enterprise Linux
Red Hat Hardened Images
Debian GNU/Linux 		Debian等の複数ベンダの製品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-2026-4775 2026-04-23 10:10 2026-03-24 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 21, 2026, 4:10 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
111 7.5 HIGH
Network 		mozilla firefox
thunderbird 		Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. New CWE-400
 Uncontrolled Resource Consumption 		CVE-2026-8968 2026-05-20 23:56 2026-05-19 Show GitHub Exploit DB Packet Storm
112 8.1 HIGH
Network 		mozilla firefox
thunderbird 		Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. New CWE-693
 Protection Mechanism Failure 		CVE-2026-8969 2026-05-20 23:55 2026-05-19 Show GitHub Exploit DB Packet Storm
113 9.1 CRITICAL
Network 		mozilla firefox
thunderbird 		Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. New CWE-942
 Permissive Cross-domain Policy with Untrusted Domains 		CVE-2026-8948 2026-05-20 23:53 2026-05-19 Show GitHub Exploit DB Packet Storm
114 7.5 HIGH
Network 		mozilla firefox
thunderbird 		Integer overflow in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. New CWE-190
 Integer Overflow or Wraparound 		CVE-2026-8949 2026-05-20 23:49 2026-05-19 Show GitHub Exploit DB Packet Storm
115 6.5 MEDIUM
Network 		mozilla firefox Spoofing issue in the Toolbar component in Firefox for Android. This vulnerability was fixed in Firefox 151. New CWE-290
 Authentication Bypass by Spoofing 		CVE-2026-8951 2026-05-20 23:48 2026-05-19 Show GitHub Exploit DB Packet Storm
116 6.5 MEDIUM
Network 		mozilla firefox
thunderbird 		Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. New CWE-346
 Origin Validation Error 		CVE-2026-8971 2026-05-20 23:41 2026-05-19 Show GitHub Exploit DB Packet Storm
117 9.8 CRITICAL
Network 		mozilla firefox
thunderbird 		Integer overflow in the Networking: JAR component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. New CWE-190
 Integer Overflow or Wraparound 		CVE-2026-8956 2026-05-20 23:31 2026-05-19 Show GitHub Exploit DB Packet Storm
118 9.6 CRITICAL
Network 		mozilla firefox
thunderbird 		Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. New CWE-20
CWE-119
CWE-693
 Improper Input Validation 
Incorrect Access of Indexable Resource ('Range Error') 
 Protection Mechanism Failure 		CVE-2026-8959 2026-05-20 23:28 2026-05-19 Show GitHub Exploit DB Packet Storm
119 7.8 HIGH
Local 		- - In `src/havegecmd.c`, the `socket_handler` function performs a credential check on the abstract UNIX socket (`\0/sys/entropy/haveged`). However, while it detects if the connecting user is not root (`… New CWE-305
 Authentication Bypass by Primary Weakness 		CVE-2026-41054 2026-05-20 23:25 2026-05-20 Show GitHub Exploit DB Packet Storm
120 7.8 HIGH
Local 		- - MediaArea MediaInfoLib Channel Splitting heap-based buffer overflow vulnerability New CWE-122
Heap-based Buffer Overflow 		CVE-2026-22554 2026-05-20 23:25 2026-05-20 Show GitHub Exploit DB Packet Storm