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CVE-2026-47746: CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition in misskey-dev misskeyCVE-2026-47746 0 Misskey versions 12.37.0 up to but not including 2026.5.4 contain a time-of-check to time-of-use (TOCTOU) race condition during JSON-LD signature validation and compaction. This flaw arises because the JSON-LD parsing context is not consistently shared between signature verification and later processing, potentially allowing fraudulent data to be accepted as valid. The issue compromises data integrity and has been resolved in version 2026.5.4. Join the discussion | CVE Database V5 | 08/03/2026, 21:56:40 UTC Added: 08/03/2026, 22:03:40 UTC |
CVE-2026-46714: CWE-674: Uncontrolled Recursion in misskey-dev misskeyCVE-2026-46714 0 Misskey is an open source, federated social media platform. IVersions 8.63.0 and later, but prior to 2026.5.4, contain a vulnerability that can cause the Misskey web client to slow down or crash when it applies a malformed theme. This issue has been fixed in version 2026.5.4. Join the discussion | CVE Database V5 | 08/03/2026, 21:58:36 UTC Added: 08/03/2026, 22:03:40 UTC |
CVE-2026-46713: CWE-347: Improper Verification of Cryptographic Signature in misskey-dev misskeyCVE-2026-46713 0 Misskey versions 12.37.0 up to but not including 2026.5.4 contain a vulnerability in the JSON-LD signature validation and compaction process. This flaw allows spoofed activities to be accepted as valid due to improper verification of cryptographic signatures. The issue is fixed in version 2026.5.4. The vulnerability has a high severity with a CVSS 4.0 score of 9.2, indicating critical impact if exploited. Join the discussion | CVE Database V5 | 08/03/2026, 21:37:45 UTC Added: 08/03/2026, 22:03:40 UTC |
CVE-2026-48115: CWE-285: Improper Authorization in misskey-dev misskeyCVE-2026-48115 0 Misskey is an open source, federated social media platform. All Misskey servers running versions 2024.5.0 and later, but prior to 2026.5.4, contain a vulnerability in the Server Announcements API where insufficient permission checks allow attackers to access limited portions of data that they normally couldn't view. This vulnerability occurs whether or not federation is enabled. This issue has been fixed in version 2026.5.4. Join the discussion | CVE Database V5 | 08/03/2026, 21:21:59 UTC Added: 08/03/2026, 21:48:52 UTC |
CVE-2026-46712: CWE-639: Authorization Bypass Through User-Controlled Key in misskey-dev misskeyCVE-2026-46712 0 Misskey versions from 2025.3.2 up to but not including 2026.5.4 contain an authorization bypass vulnerability in the Direct Messages feature. This flaw allows access to certain data points without proper permission checks, regardless of account permissions or federation settings. Notes with specified (formerly direct) visibility are not affected. The issue is fixed in version 2026.5.4. Join the discussion | CVE Database V5 | 08/03/2026, 21:29:49 UTC Added: 08/03/2026, 21:48:52 UTC |
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