CVE-2026-8291

Open5GS NRF nnrf-handler.c ogs_nnrf_nfm_handle_nf_profile denial of service

State: Published
Severity: 5.3 Medium
Published: May 11, 2026
Updated: May 11, 2026
Reserved: May 11, 2026

Description

A weakness has been identified in Open5GS up to 2.7.7. Impacted is the function ogs_nnrf_nfm_handle_nf_profile of the file lib/sbi/nnrf-handler.c of the component NRF. This manipulation causes denial of service. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The pull request to fix this issue awaits acceptance.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	4.3 Medium	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	VulDB
3.0	4.3 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R	VulDB
2.0	4.0 Medium	AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-404 Denial of Service

Affected Products

Product	Versions
Open5GSn/a	2.7.0Affected 2.7.1Affected 2.7.2Affected 2.7.3Affected 2.7.4Affected 2.7.5Affected 2.7.6Affected 2.7.7Affected

References

VDB-362588 | Open5GS NRF nnrf-handler.c ogs_nnrf_nfm_handle_nf_profile denial of servicevdb-entrytechnical-description
VDB-362588 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #808508 | Open5gs NRF v2.7.7 Denial of Servicethird-party-advisory
https://github.com/open5gs/open5gs/issues/4456exploitissue-tracking
https://github.com/open5gs/open5gs/pull/4534issue-trackingpatch
https://github.com/open5gs/open5gs/product

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