PT-2026-36925 · Open5Gs · Open5Gs

Frankylin · Published 2026-05-04 · Updated 2026-05-04 · CVE-2026-7779

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

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

Description A security flaw in the authentication-subscription component allows remote exploitation leading to a denial of service. The issue exists within the udm nudr dr handle subscription authentication() function located in the /src/udm/nudr-handler.c file.

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

Exploit

Improper Resource Release

Weakness Enumeration

CWE-404

Related Identifiers

CVE-2026-7779

Affected Products

Open5Gs

References · 8

• 🔥 https://github.com/open5gs/open5gs/issues/4418 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-7779 · Security Note
• https://vuldb.com/submit/806249 · Note
• https://twitter.com/infoflowcloud/status/2051405473878851598 · Twitter Post
• https://twitter.com/CVEnew/status/2051403810870804927 · Twitter Post
• https://vuldb.com/vuln/360976/cti · Note
• https://vuldb.com/vuln/360976 · Note
• https://github.com/open5gs/open5gs · Note