CVE-2026-46713 - Misskey: JSON-LD signature validation + compaction may lead to improper activity handling

CVE-2026-46713 - Misskey: JSON-LD signature validation + compaction may lead to improper activity handling

https://cvefeed.io/rssfeed/latest.atom / Tue, 08/04/2026 - 01:09
CVE ID :CVE-2026-46713
Published : Aug. 3, 2026, 10:16 p.m. | 37 minutes ago
Description :Misskey is an open source, federated social media platform. Versions 12.37.0 and later, but prior to 2026.5.4, contain a vulnerability in the JSON-LD signature validation and compaction process that allows spoofed activities to be accepted as valid. This issue has been fixed in version 2026.5.4.
Severity: 9.2 | CRITICAL
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Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.