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You can search for vulnerabilities managed by JVN (Japan Vulnerability Note) and NVD (National Vulnerability Database).
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JVN Vulnerability Information

Update Date":June 1, 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
199371 6.1 警告
Network 		MyBB Group - MyBB および Merge System のメンバー検証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-2016-9405 2017-02-13 15:31 2016-03-11 Show GitHub Exploit DB Packet Storm
199372 6.1 警告
Network 		MyBB Group - MyBB および Merge System 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-2016-9404 2017-02-13 15:31 2016-03-11 Show GitHub Exploit DB Packet Storm
199373 9.8 緊急
Network 		MyBB Group - MyBB および Merge System の newreply.php における脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2016-9403 2017-02-13 15:31 2016-03-11 Show GitHub Exploit DB Packet Storm
199374 9.8 緊急
Network 		MyBB Group - MyBB および Merge System の moderation ツールにおける 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-2016-9402 2017-02-13 15:31 2016-03-11 Show GitHub Exploit DB Packet Storm
199375 7.5 重要
Network 		MyBB Group - MyBB および Merge System におけるインストールパスを取得される脆弱性 CWE-532
ログファイルからの情報漏えい 		CVE-2015-8977 2017-02-13 15:30 2015-09-7 Show GitHub Exploit DB Packet Storm
199376 6.1 警告
Network 		MyBB Group - MyBB および Merge System 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-2015-8976 2017-02-13 15:30 2015-09-7 Show GitHub Exploit DB Packet Storm
199377 6.1 警告
Network 		MyBB Group - MyBB および Merge System のエラーハンドラ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-2015-8975 2017-02-13 15:30 2015-09-7 Show GitHub Exploit DB Packet Storm
199378 10 緊急
Network 		MyBB Group - MyBB および Merge System の管理制御パネルの Group Promotions モジュールにおける 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-2015-8974 2017-02-13 15:30 2015-09-7 Show GitHub Exploit DB Packet Storm
199379 8.3 重要
Network 		MyBB Group - MyBB および Merge System の xmlhttp.php におけるアクセス制限を回避される脆弱性 CWE-284
不適切なアクセス制御 		CVE-2015-8973 2017-02-13 15:30 2015-09-7 Show GitHub Exploit DB Packet Storm
199380 7.5 重要
Network 		Libical project - Libical の icaltime_from_string 関数におけるサービス運用妨害 (DoS) の脆弱性 CWE-125
境界外読み取り 		CVE-2016-5827 2017-02-13 15:25 2016-06-20 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:June 1, 2026, 4:12 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
2891 6.5 MEDIUM
Local 		xen xen Any guest can cause xenstored to crash by issuing a XS_RESET_WATCHES command within a transaction due to an assert() triggering. In case xenstored was built with NDEBUG #defined nothing bad will hap… CWE-617
 Reachable Assertion 		CVE-2026-23557 2026-05-20 03:56 2026-05-19 Show GitHub Exploit DB Packet Storm
2892 7.8 HIGH
Local 		xen xen The adjustments made for XSA-379 as well as those subsequently becoming XSA-387 still left a race window, when a HVM or PVH guest does a grant table version change from v2 to v1 in parallel with mapp… CWE-362
Race Condition 		CVE-2026-23558 2026-05-20 03:55 2026-05-19 Show GitHub Exploit DB Packet Storm
2893 7.5 HIGH
Network 		langgenius dify Dify version 1.14.1 and prior contain an authorization bypass vulnerability in the file preview endpoint that allows any authenticated user to read up to 3,000 characters of any uploaded document acr… CWE-639
 Authorization Bypass Through User-Controlled Key 		CVE-2026-41949 2026-05-20 03:50 2026-05-19 Show GitHub Exploit DB Packet Storm
2894 7.5 HIGH
Network 		mozilla firefox
thunderbird 		Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. CWE-119
Incorrect Access of Indexable Resource ('Range Error')  		CVE-2026-8946 2026-05-20 03:50 2026-05-19 Show GitHub Exploit DB Packet Storm
2895 7.3 HIGH
Network 		mozilla firefox
thunderbird 		Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. CWE-416
 Use After Free 		CVE-2026-8947 2026-05-20 03:47 2026-05-19 Show GitHub Exploit DB Packet Storm
2896 9.6 CRITICAL
Network 		mozilla firefox
thunderbird 		Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140… CWE-416
 Use After Free 		CVE-2026-8953 2026-05-20 03:45 2026-05-19 Show GitHub Exploit DB Packet Storm
2897 7.5 HIGH
Network 		mozilla firefox
thunderbird 		Incorrect boundary conditions, integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. CWE-119
Incorrect Access of Indexable Resource ('Range Error')  		CVE-2026-8954 2026-05-20 03:42 2026-05-19 Show GitHub Exploit DB Packet Storm
2898 4.3 MEDIUM
Network 		microsoft 365_apps
office
office_long_term_servicing_channel
word 		External control of file name or path in Microsoft Office Word allows an unauthorized attacker to disclose information over a network. CWE-73
 External Control of File Name or Path 		CVE-2026-40421 2026-05-20 03:38 2026-05-13 Show GitHub Exploit DB Packet Storm
2899 7.8 HIGH
Local 		microsoft office
office_long_term_servicing_channel 		Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. CWE-122
Heap-based Buffer Overflow 		CVE-2026-42831 2026-05-20 03:38 2026-05-13 Show GitHub Exploit DB Packet Storm
2900 5.5 MEDIUM
Local 		microsoft excel
office
office_long_term_servicing_channel
word 		Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally. CWE-284
NVD-CWE-noinfo
Improper Access Control 		CVE-2026-42832 2026-05-20 03:38 2026-05-13 Show GitHub Exploit DB Packet Storm