SB2026052631 - Incomplete List of Disallowed Inputs in PocketMine-MP
Published: May 26, 2026
Security Bulletin ID
SB2026052631
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Incomplete List of Disallowed Inputs (CVE-ID: N/A)
CWE-ID: CWE-184 - Incomplete List of Disallowed Inputs
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to incomplete list of disallowed inputs in the offline login flow when handling login requests from players without Xbox authentication. A remote attacker can send a login request without Xbox authentication to cause a denial of service.
The issue occurs before the player is fully rejected.
Remediation
Install update from vendor's website.