PT-2026-38605 · Open5Gs · Open5Gs

Frankylin · Published 2026-05-08 · Updated 2026-05-10 · CVE-2026-8121

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 remote denial of service can occur in the NSSF component due to the manipulation of the ogs sbi parse plmn list() function located in the /lib/sbi/conv.c library.

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-2026-8121

Affected Products

Open5Gs

References · 11

• 🔥 https://github.com/open5gs/open5gs/issues/4433 · Exploit
• 🔥 https://vuldb.com/submit/808422 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-8121 · Security Note
• https://vuldb.com/submit/808424 · Note
• https://vuldb.com/vuln/361908/cti · Note
• https://t.me/cveNotify/162649 · Telegram Post
• https://twitter.com/CVEarity/status/2052748175224844594 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2052566079558373847 · Twitter Post
• https://github.com/open5gs/open5gs · Note
• https://vuldb.com/vuln/361908 · Note
• https://twitter.com/CVEnew/status/2053559147086414069 · Twitter Post