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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-103937

Misskey: Denial of service resulting from insufficient cleanup processing during file uploads

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

misskey-dev misskey

  • >= 12.0.0, <= 13.14.2affected
  • >= 2023.9.0-beta.1, < 2025.4.1affected
  • >= 2025.5.0, < 2026.7.0affected

References