CVE-2026-8291

Name: CVE-2026-8291
Creator: NVD / NIST
Published: 2026-05-11T16:17:43.403+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.1/10EPSS 0.38%

Last modified Jun 17, 2026

CVE-2026-8291 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. 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. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS 4.0

2.1/10

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.38%

29.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-404

Affected Software

Vendor	Product	Versions
Open5gs	Open5gs	<= 2.7.7

References

https://github.com/open5gs/open5gs/Product
https://github.com/open5gs/open5gs/issues/4456Exploit, Issue Tracking
https://github.com/open5gs/open5gs/pull/4534Exploit, Issue Tracking, Patch
https://vuldb.com/submit/808508Third Party Advisory, VDB Entry
https://vuldb.com/vuln/362588Third Party Advisory, VDB Entry
https://vuldb.com/vuln/362588/ctiPermissions Required, VDB Entry

Timeline

Published: May 11, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-8291?

How severe is CVE-2026-8291?

CVE-2026-8291 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.

How do I fix CVE-2026-8291?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-8291?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST