How severe is CVE-2026-8267?

CVE-2026-8267 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-8267 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-8267?

CVE-2026-8267 affects Open5gs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-8267?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-8267 have an EU (EUVD) identifier?

Yes. CVE-2026-8267 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29024.

When was CVE-2026-8267 published?

CVE-2026-8267 was published on 2026-05-11 and last updated on 2026-06-17.

CVE-2026-8267

CVE-2026-8267 is a medium-severity vulnerability in Open5gs with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-404.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
CVSS v4: 2.1
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29024
Weakness: CWE-404
Affected product: Open5gs
Published: 2026-05-11
Last modified: 2026-06-17

Description

A flaw has been found in Open5GS up to 2.7.7. This vulnerability affects the function smf_nsmf_handle_created_data_in_vsmf of the component SMF. This manipulation causes denial of service. The attack may be initiated remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Frequently asked questions

What is CVE-2026-8267?: A flaw has been found in Open5GS up to 2.7.7. This vulnerability affects the function smf_nsmf_handle_created_data_in_vsmf of the component SMF. This manipulation causes denial of service. The attack may be initiated remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
How severe is CVE-2026-8267?: CVE-2026-8267 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-8267 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-8267?: CVE-2026-8267 affects Open5gs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-8267?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-8267 have an EU (EUVD) identifier?: Yes. CVE-2026-8267 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29024.
When was CVE-2026-8267 published?: CVE-2026-8267 was published on 2026-05-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*

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