Improper Control of Resource Identifiers ('Resource Injection') in Misskey - #VU150218
Published: September 16, 2026
Vulnerability identifier: #VU150218
CSH Severity: Medium
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-99
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to confusion in value storage locations and insufficient validation of values received from clients. A remote attacker can disrupt another user's in-progress passkey and security key operations.
Affected software
Misskey
Remediation
Install updates from vendor's website.
Misskey - update to 2026.9.0