CVE-2026-103937
Misskey: Denial of service resulting from insufficient cleanup processing during file uploads
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-459 |
| Vendor | misskey-dev |
| Product | misskey |
| Published | Oct 13, 2026 |
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Affected Versions
misskey-dev / misskey
>= 12.0.0, <= 13.14.2 >= 2023.9.0-beta.1, < 2025.4.1 >= 2025.5.0, < 2026.7.0
References
github.com: https://github.com/misskey-dev/misskey/security/advisories/GHSA-m9xp-2fvm-pfmq github.com: https://github.com/misskey-dev/misskey/pull/17750 github.com: https://github.com/misskey-dev/misskey/commit/3f28489fb856e6e07a16290f3ea1e1261572b527 github.com: https://github.com/misskey-dev/misskey/releases/tag/2026.7.0