How severe is CVE-2026-1682?

CVE-2026-1682 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-2026-1682 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-1682?

CVE-2026-1682 affects Free5gc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-1682?

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

Does CVE-2026-1682 have an EU (EUVD) identifier?

Yes. CVE-2026-1682 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5030.

When was CVE-2026-1682 published?

CVE-2026-1682 was published on 2026-01-30 and last updated on 2026-06-17.

CVE-2026-1682

CVE-2026-1682 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: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5030
Weakness: CWE-404
Affected product: Free5gc
Published: 2026-01-30
Last modified: 2026-06-17

Description

A flaw has been found in Free5GC SMF up to 4.1.0. Affected is the function HandlePfcpAssociationReleaseRequest of the file internal/pfcp/handler/handler.go of the component PFCP UDP Endpoint. Executing a manipulation can lead to null pointer dereference. The attack may be launched remotely. The exploit has been published and may be used. A patch should be applied to remediate this issue.

Frequently asked questions

What is CVE-2026-1682?: A flaw has been found in Free5GC SMF up to 4.1.0. Affected is the function HandlePfcpAssociationReleaseRequest of the file internal/pfcp/handler/handler.go of the component PFCP UDP Endpoint. Executing a manipulation can lead to null pointer dereference. The attack may be launched remotely. The exploit has been published and may be used. A patch should be applied to remediate this issue.
How severe is CVE-2026-1682?: CVE-2026-1682 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-2026-1682 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-1682?: CVE-2026-1682 affects Free5gc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-1682?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-1682 have an EU (EUVD) identifier?: Yes. CVE-2026-1682 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5030.
When was CVE-2026-1682 published?: CVE-2026-1682 was published on 2026-01-30 and last updated on 2026-06-17.

References

Affected products (1)

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

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