CVE-2026-40343: free5GC UDR: Fail-open handling in PolicyDataSubsToNotifyPost (exact versions not specified)

CVE-2026-40343. EPSS 0.0031 (percentile 0.2271), scored 24-Oct-2026.

Affected technology

free5GC UDR: Fail-open handling in PolicyDataSubsToNotifyPost · Exact affected versions not specified by the source
Vendor not specified by the source

Component: Not specified by the source

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

What an attacker can do

OSV’s CVSS 4.0 assessment rates confidentiality and availability impact as none; integrity impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 25-Oct-2026 10:21 UTC

CCR priority: 0.1 /100 (P5)
CVSS 4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N · OSV.dev
EPSS: 0.0031 · percentile 0.2271 · 2026-10-24
KEV: no

Provenance

OSV.dev · Source record · observed 2026-10-25 01:59:11.642217+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-40343.html