P4Verified

CVE-2026-12392: MAAS 3.4.0 to before 3.4.10, 3.5.0 to before 3.5.14, 3.6.0 to before 3.6.5, 3.7.0 to before 3.7.3, 0 to before 3.8.0

CVE-2026-12392. CVSS 3.1 base score 5.3 (MEDIUM, Vendor/CNA). EPSS 0.00273 (percentile 0.17922), scored 03-Oct-2026.

Affected technology

MAAS · 3.4.0 to before 3.4.10, 3.5.0 to before 3.5.14, 3.6.0 to before 3.6.5, 3.7.0 to before 3.7.3, 0 to before 3.8.0
Canonical

Description’s affected range: prior to versions 3.4.10, 3.5.14, 3.6.5, 3.7.3, and 3.8.0

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

An unauthenticated attacker can retrieve the RPC secret in plaintext via the vendor data metadata endpoint. Vendor/CNA’s CVSS 3.1 assessment (base score 5.3/10) rates confidentiality impact as low; integrity and availability impact as none.

Published 11-Oct-2026 23:34 UTC

CWE: CWE-200
CCR priority: 21.3 /100 (P4)
CVSS 3.1: 5.3 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N · Vendor/CNA
EPSS: 0.00273 · percentile 0.18192 · 2026-10-11
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-11 23:42:05.235979+00:00 UTC
GitHub Advisory Database · Source record · observed 2026-10-04 19:26:19.896651+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-06 17:55:17.257073+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-12392.html