CVE-2026-103937 — Misskey: Denial of service resulting from insufficient cleanup processing during file uploads
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. …
Published: 2026-10-13 · CVSS: 8.7 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7