๐Ÿ” CVE Alert

CVE-2026-7779

MEDIUM 4.3

Open5GS authentication-subscription Endpoint nudr-handler.c udm_nudr_dr_handle_subscription_authentication denial of service

CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th

A security flaw has been discovered in Open5GS up to 2.7.7. Affected is the function udm_nudr_dr_handle_subscription_authentication of the file /src/udm/nudr-handler.c of the component authentication-subscription Endpoint. Performing a manipulation results in denial of service. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

CWE CWE-404
Vendor n/a
Product open5gs
Published May 4, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

n/a / Open5GS
2.7.0 2.7.1 2.7.2 2.7.3 2.7.4 2.7.5 2.7.6 2.7.7

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
vuldb.com: https://vuldb.com/vuln/360976 vuldb.com: https://vuldb.com/vuln/360976/cti vuldb.com: https://vuldb.com/submit/806249 github.com: https://github.com/open5gs/open5gs/issues/4418 github.com: https://github.com/open5gs/open5gs/

Credits

๐Ÿ” FrankyLin (VulDB User) VulDB CNA Team