PT-2026-38604 · Open5Gs · Open5Gs

Frankylin · Published 2026-05-08 · Updated 2026-05-10 · CVE-2026-8120

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/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 flaw in the NSSF component allows a remote attacker to cause a denial of service through manipulation of the nssf nnrf nsselection handle get from amf or vnssf() function located in the /src/nssf/nnssf-handler.c file.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability. As a temporary workaround, consider restricting access to the NSSF component or the nssf nnrf nsselection handle get from amf or vnssf() function to minimize the risk of exploitation.

Exploit

DoS

Improper Resource Release

Weakness Enumeration

CWE-404

Related Identifiers

CVE-2026-8120

Affected Products

Open5Gs

References · 10

• 🔥 https://github.com/open5gs/open5gs/issues/4432 · Exploit
• 🔥 https://vuldb.com/submit/808421 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-8120 · Security Note
• https://t.me/cveNotify/162648 · Telegram Post
• https://github.com/open5gs/open5gs · Note
• https://twitter.com/VulmonFeeds/status/2052568639337824463 · Twitter Post
• https://twitter.com/CVEnew/status/2053559147933696368 · Twitter Post
• https://twitter.com/CVEarity/status/2052745397597315382 · Twitter Post
• https://vuldb.com/vuln/361907/cti · Note
• https://vuldb.com/vuln/361907 · Note