High
PocketMine-MP before 5.39.2 Denial of Service via ModalFormResponsePacket
PocketMine-MP versions before 5.39.2 fail to limit JSON payload size in ModalFormResponsePacket handling, allowing authenticated players to cause denial of service. Attackers can send modal form response packets with massive JSON arrays to exhaust server memory and CPU resources, rendering the server unresponsive.
Announced Group revision 1
Original source ↗CVE-2026-86204
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-86204
PocketMine-MP
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "pmmp",
"product": "PocketMine-MP",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "5.39.2",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.39.2",
"versionType": "semver"
}
],
"packageURL": "pkg:composer/pocketmine/pocketmine-mp",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-86204
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #12942 · Revision 1
- Added to Heist Feed
- Publisher date