P4Verified

CVE-2026-85440: core-moos before 10.4.0 (exclusive), 0 through 10.4.0

CVE-2026-85440. CVSS 3.1 base score 9.8 (CRITICAL, Vendor/CNA). EPSS 0.0103 (percentile 0.62789), scored 13-Oct-2026.

Affected technology

core-moos · before 10.4.0 (exclusive)
themoos

core-moos · 0 through 10.4.0
themoos

Description’s affected range: through 10.4.0

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Remote attackers can write arbitrary data by declaring a negative packet length. Vendor/CNA’s CVSS 4.0 assessment (base score 9.3/10) rates confidentiality, integrity and availability impact as high.

Published 15-Oct-2026 01:10 UTC

CWE: CWE-787
CCR priority: 39.5 /100 (P4)
CVSS 3.1: 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.0103 · percentile 0.62789 · 2026-10-13
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-15 01:07:31.726917+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-85440.html