High 7.5Published Feb 6, 2026

CVE-2026-1973A vulnerability was determined in Free5GC up to 4.1.0.

Updated under an hour ago (2026-10-19 09:30 UTC)

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It affects free5gc. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for free5gc

Exploited in the last 30 days

A vulnerability was determined in Free5GC up to 4.1.0. The impacted element is the function establishPfcpSession of the component SMF. Executing a manipulation can lead to null pointer dereference. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. It is best practice to apply a patch to resolve this issue.

CVSS: 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-404, CWE-476
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

free5gc free5gc free5gc:free5gc	through 4.1.0	NVD

References

https://github.com/free5gc/free5gc/product
https://github.com/free5gc/free5gc/issues/815exploit, issue-tracking, vendor-advisory
https://github.com/free5gc/free5gc/issues/815#issue-3832032062exploit, issue-tracking, vendor-advisory
https://github.com/free5gc/smf/pull/189issue-tracking
https://vuldb.com/?ctiid.344495permissions-required, vdb-entry
https://vuldb.com/?id.344495third-party-advisory, vdb-entry
https://vuldb.com/?submit.743236exploit, third-party-advisory, vdb-entry

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.