What is CVE-2025-71418?

CVE-2025-71418 is a medium-severity vulnerability in Pmmp Pocketmine-Mp, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2026-09-09.

How severe is CVE-2025-71418?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Resource exhaustion in Pmmp Pocketmine-Mp

CVE-2025-71418

PocketMine-MP versions before 5.25.2 fail to limit the explode() function in packet parsing, allowing malicious clients to waste server resources. Attackers can send crafted packets with excessive delimiters to consume CPU and memory through sign editing, JWT parsing, and command parsing endpoints.

Vulnerability class: DoS (Denial of Service)

Published 2026-09-09 · last modified 2026-10-14.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.004 (33.2th percentile), scored 2026-10-25.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Pmmp Pocketmine-Mp

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

github.com/pmmp/PocketMine-MP/security/advisories/GHSA-g274-c6jj-h78p (vendor-advisory)
github.com/pmmp/PocketMine-MP/commit/d0d84d4c5195fb0a68ea7725424fda63b85cd831 (patch)
www.vulncheck.com/advisories/pocketmine-mp-before-5.25.2-denial-of-service-via-… (third-party-advisory)

Frequently asked questions

What is CVE-2025-71418?: CVE-2025-71418 is a medium-severity vulnerability in Pmmp Pocketmine-Mp, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2026-09-09.
How severe is CVE-2025-71418?: Medium severity. CVSS v3 base score is 5.3 out of 10.