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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 31, 2026, 4 p.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Impact
Show		 Exploit
PoC
Search
4681 7 重要
Local 		マイクロソフト Microsoft Windows 11 23h2
Microsoft Windows 11 26h1
Microsoft Windows Server 2025
Microsoft Windows 11 24h2
Microsoft Wind… 		Windows シェルの特権の昇格の脆弱性 CWE-416
解放済みメモリの使用 		CVE-2026-26165 2026-04-27 10:51 2026-04-14 Show GitHub Exploit DB Packet Storm
4682 7 重要
Local 		マイクロソフト Microsoft Windows 11 23h2
Microsoft Windows 11 26h1
Microsoft Windows Server 2025
Microsoft Windows 11 24h2
Microsoft Wind… 		Windows シェルの特権の昇格の脆弱性 CWE-415
二重解放 		CVE-2026-26166 2026-04-27 10:51 2026-04-14 Show GitHub Exploit DB Packet Storm
4683 7.8 重要
Local 		マイクロソフト Microsoft Windows Server 2019
Microsoft Windows 10 1607
Microsoft Windows Server 2016
Microsoft Windows 11 23h2
Microsoft … 		Windows プッシュ通知の特権昇格の脆弱性 CWE-362
CWE-416
CVE-2026-26167 2026-04-27 10:51 2026-04-14 Show GitHub Exploit DB Packet Storm
4684 7.8 重要
Local 		マイクロソフト Microsoft Windows Server 2019
Microsoft Windows 10 1607
Microsoft Windows Server 2016
Microsoft Windows 11 23h2
Microsoft … 		WinSock 用 Windows Ancillary Function Driver の特権の昇格の脆弱性 CWE-362
CWE-416
CVE-2026-26168 2026-04-27 10:51 2026-04-14 Show GitHub Exploit DB Packet Storm
4685 6.1 警告
Local 		マイクロソフト Microsoft Windows Server 2019
Microsoft Windows 10 1607
Microsoft Windows Server 2016
Microsoft Windows 11 23h2
Microsoft … 		Windows カーネル メモリの情報漏えいの脆弱性 CWE-126
バッファオーバーリード 		CVE-2026-26169 2026-04-27 10:51 2026-04-14 Show GitHub Exploit DB Packet Storm
4686 7.8 重要
Local 		マイクロソフト Microsoft Windows Server 2019
Microsoft Windows 10 1607
Microsoft Windows Server 2016
Microsoft Windows 11 23h2
Microsoft … 		PowerShell の特権の昇格の脆弱性 CWE-20
不適切な入力確認 		CVE-2026-26170 2026-04-27 10:51 2026-04-14 Show GitHub Exploit DB Packet Storm
4687 7.8 重要
Local 		マイクロソフト Microsoft Windows 11 23h2
Microsoft Windows 11 26h1
Microsoft Windows 10 22h2
Microsoft Windows 10 21h2
Microsoft Windows&… 		Windows プッシュ通知の特権昇格の脆弱性 CWE-362
CWE-416
CVE-2026-26172 2026-04-27 10:51 2026-04-14 Show GitHub Exploit DB Packet Storm
4688 7 重要
Local 		マイクロソフト Microsoft Windows Server 2019
Microsoft Windows 10 1607
Microsoft Windows Server 2016
Microsoft Windows 11 23h2
Microsoft … 		WinSock 用 Windows Ancillary Function Driver の特権の昇格の脆弱性 CWE-362
CWE-416
CWE-476
CVE-2026-26173 2026-04-27 10:51 2026-04-14 Show GitHub Exploit DB Packet Storm
4689 8.2 重要
Network 		FirebirdSQL Firebird FirebirdSQLのFirebirdにおける複数の脆弱性 CWE-119
CWE-787
CVE-2026-27890 2026-04-27 10:51 2026-04-17 Show GitHub Exploit DB Packet Storm
4690 7.5 重要
Network 		FirebirdSQL Firebird FirebirdSQLのFirebirdにおけるNULL ポインタデリファレンスに関する脆弱性 CWE-476
NULL ポインタデリファレンス 		CVE-2026-28212 2026-04-27 10:51 2026-04-17 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 31, 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
Search
871 7.4 HIGH
Network 		- - PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, when the verifier is decoding JSON Web Tokens, while supporting both asymmetric and HMAC algorithms, the library does not validate… New CWE-287
CWE-347
Improper Authentication
 Improper Verification of Cryptographic Signature 		CVE-2026-48526 2026-05-29 03:03 2026-05-29 Show GitHub Exploit DB Packet Storm
872 5.4 MEDIUM
Network 		- - PyJWT is a JSON Web Token implementation in Python. From 2.9.0 to 2.12.1, there is a verifier-side algorithm allow-list bypass when jwt.decode() or jwt.decode_complete() are called with a PyJWK key. … New CWE-347
 Improper Verification of Cryptographic Signature 		CVE-2026-48523 2026-05-29 03:03 2026-05-29 Show GitHub Exploit DB Packet Storm
873 3.7 LOW
Network 		- - PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, PyJWKClient.get_signing_key() forces a fresh HTTP request to the JWKS endpoint for every JWT with an unknown kid value, with no ra… New CWE-460
CWE-755
 Improper Cleanup on Thrown Exception
 Improper Handling of Exceptional Conditions 		CVE-2026-48524 2026-05-29 03:03 2026-05-29 Show GitHub Exploit DB Packet Storm
874 5.3 MEDIUM
Network 		- - PyJWT is a JSON Web Token implementation in Python. From 2.8.0 to 2.12.1, when verifying detached JWS tokens using the unencoded-payload option ("b64": false, RFC 7797), PyJWT performs Base64URL deco… New CWE-400
 Uncontrolled Resource Consumption 		CVE-2026-48525 2026-05-29 03:03 2026-05-29 Show GitHub Exploit DB Packet Storm
875 - - - Synapse is an open source Matrix homeserver implementation. Prior to 1.152.1, in federated rooms, malicious homeservers can craft room events in such a way that prevents Synapse from providing full h… New CWE-20
 Improper Input Validation  		CVE-2026-45076 2026-05-29 03:03 2026-05-29 Show GitHub Exploit DB Packet Storm
876 - - - Synapse is an open source Matrix homeserver implementation. Prior to 1.152.1, local authenticated users can cause Synapse to starve other requests of CPU and lead to other requests failing, causing o… New CWE-770
 Allocation of Resources Without Limits or Throttling 		CVE-2026-45078 2026-05-29 03:03 2026-05-29 Show GitHub Exploit DB Packet Storm
877 7.5 HIGH
Network 		free5gc free5gc free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's SMF mounts the UPI management route group without inbound OAuth2 middleware. The POST /upi/v1/upNodesLinks c… Update CWE-306
CWE-617
CWE-862
Missing Authentication for Critical Function
 Reachable Assertion
 Missing Authorization 		CVE-2026-44321 2026-05-29 03:01 2026-05-28 Show GitHub Exploit DB Packet Storm
878 - - - Dlink DWR-X1820 router uses weak default password generated from its IMEI number and does not require users to change it. An attacker who knows how passwords are generated can easily crack the defaul… New CWE-1391
 Use of Weak Credentials 		CVE-2026-4377 2026-05-29 03:00 2026-05-28 Show GitHub Exploit DB Packet Storm
879 7.8 HIGH
Local 		- - An issue was discovered in Canonical Multipass for macOS before version 1.16.3 due to an incomplete fix for CVE-2025-5199. While the patch in version 1.16.0 updated the ownership of the multipassd da… New CWE-276
Incorrect Default Permissions  		CVE-2026-49237 2026-05-29 03:00 2026-05-28 Show GitHub Exploit DB Packet Storm
880 8.4 HIGH
Local 		- - An issue was discovered in Canonical Multipass before version 1.16.3. The host-side SFTP server component (sshfs_server), which executes with root privileges on the host, contains a path containment … New CWE-22
Path Traversal 		CVE-2026-49238 2026-05-29 03:00 2026-05-28 Show GitHub Exploit DB Packet Storm