CVE-2026-28432 — HTTP signature verification can be bypassed
Misskey is an open source, federated social media platform. All Misskey servers prior to 2026.3.1 contain a vulnerability that allows bypassing HTTP signature verification. Alth…
Published: 2026-03-09 · CVSS: 7.1 · CVSS 4.0
Misskey is an open source, federated social media platform. All Misskey servers prior to 2026.3.1 contain a vulnerability that allows bypassing HTTP signature verification. Although this is a vulnerability related to federation, it affects all servers regardless of whether federation is enabled or disabled. This vulnerability is fixed in 2026.3.1.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7