How severe is CVE-2026-1974?

CVE-2026-1974 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-1974 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-1974?

CVE-2026-1974 affects Free5gc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-1974?

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

Does CVE-2026-1974 have an EU (EUVD) identifier?

Yes. CVE-2026-1974 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5604.

When was CVE-2026-1974 published?

CVE-2026-1974 was published on 2026-02-06 and last updated on 2026-06-17.

CVE-2026-1974

CVE-2026-1974 is a medium-severity vulnerability in Free5gc with a CVSS 3.x base score of 5.3. 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 5.3)
CVSS v2: 5.0
CVSS v4: 5.5
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5604
Weakness: CWE-404
Affected product: Free5gc
Published: 2026-02-06
Last modified: 2026-06-17

Description

A vulnerability was identified in Free5GC up to 4.1.0. This affects the function ResolveNodeIdToIp of the file internal/sbi/processor/datapath.go of the component SMF. The manipulation leads to denial of service. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. It is recommended to apply a patch to fix this issue.

Frequently asked questions

What is CVE-2026-1974?: A vulnerability was identified in Free5GC up to 4.1.0. This affects the function ResolveNodeIdToIp of the file internal/sbi/processor/datapath.go of the component SMF. The manipulation leads to denial of service. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. It is recommended to apply a patch to fix this issue.
How severe is CVE-2026-1974?: CVE-2026-1974 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-1974 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-1974?: CVE-2026-1974 affects Free5gc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-1974?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-1974 have an EU (EUVD) identifier?: Yes. CVE-2026-1974 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5604.
When was CVE-2026-1974 published?: CVE-2026-1974 was published on 2026-02-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:free5gc:free5gc:*:*:*:*:*:*:*:*

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