Description
Misskey is an open source, federated social media platform. From 13.0.0 until 2025.4.1 and from 2025.5.0 until 2026.7.0, cleanup processing may not execute during file uploads. Repeated uploads can exhaust storage or file descriptors and deny service regardless of whether federation is enabled. This issue is fixed in version 2026.7.0.
Published: 2026-10-13
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Wed, 14 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 13 Oct 2026 19:00:00 +0000

Type Values Removed Values Added
Description Misskey is an open source, federated social media platform. From 13.0.0 until 2025.4.1 and from 2025.5.0 until 2026.7.0, cleanup processing may not execute during file uploads. Repeated uploads can exhaust storage or file descriptors and deny service regardless of whether federation is enabled. This issue is fixed in version 2026.7.0.
Title Misskey: Denial of service resulting from insufficient cleanup processing during file uploads
Weaknesses CWE-459
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-10-14T16:03:42.443Z

Reserved: 2026-10-01T14:20:19.156Z

Link: CVE-2026-103937

cve-icon Vulnrichment

Updated: 2026-10-14T16:03:36.566Z

cve-icon NVD

Status : Received

Published: 2026-10-13T19:17:54.387

Modified: 2026-10-14T16:17:30.733

Link: CVE-2026-103937

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses