CVE-2026-1682 is a critical null pointer dereference vulnerability affecting Free5GC SMF versions up to 4.1.0, specifically within the HandlePfcpAssociationReleaseRequest function of the PFCP UDP Endpoint. This flaw allows a remote unauthenticated attacker to cause a denial of service (DoS) by manipulating the affected component. With a CVSS score of 7.5 (HIGH), the vulnerability is easily exploitable over the network with low attack complexity and no user interaction required. While an exploit has been published, there is currently no evidence of active exploitation, Metasploit or Nuclei modules, or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.1.0CPE matchmatch criteria | cpe:2.3:a:free5gc:free5gc:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.