PT-2026-39440 · Open5Gs · Open5Gs

Linziyu · Published 2026-05-10 · Updated 2026-05-12 · CVE-2026-8222

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.7.8

Description A remote denial of service can be triggered in the sm-policies endpoint. The issue exists within the pcf nbsf management handle register() function located in the src/pcf/nbsf-handler.c file.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Improper Resource Release

Weakness Enumeration

CWE-404

Related Identifiers

CVE-2026-8222

Affected Products

Open5Gs

References · 11

• 🔥 https://github.com/open5gs/open5gs/issues/4437 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-8222 · Security Note
• https://t.me/CVEtracker/53265 · Telegram Post
• https://vuldb.com/submit/808427 · Note
• https://t.me/cveNotify/162905 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2053352149178814627 · Twitter Post
• https://vuldb.com/vuln/362439/cti · Note
• https://vuldb.com/vuln/362439 · Note
• https://twitter.com/CVEnew/status/2053537499390316908 · Twitter Post
• https://github.com/open5gs/open5gs · Note
• https://t.me/cveNotify/163260 · Telegram Post