CVE-2026-1682Free5GC SMF PFCP UDP Endpoint handler.go HandlePfcpAssociationReleaseRequest null pointer dereference
Updated under an hour ago ()
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It affects Free5GC SMF and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
- Weakness (CWE)
- CWE-476, CWE-404
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Modified
- Record last updated
- Feb 23, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Free5GC SMF free5gc:smf (from the name) | 4.0; 4.1.0 | CNA record |
free5gc free5gc free5gc:free5gc | through 4.1.0 | NVD |
References
- https://vuldb.com/?id.343475vdb-entry, technical-description, third-party-advisory
- https://vuldb.com/?ctiid.343475signature, permissions-required, vdb-entry
- https://vuldb.com/?submit.739508third-party-advisory, vdb-entry
- https://github.com/free5gc/free5gc/issues/794issue-tracking, exploit, vendor-advisory
- https://github.com/free5gc/free5gc/issues/794#issuecomment-3761063382issue-tracking
- https://github.com/free5gc/free5gc/issues/794#issue-3811888505exploit, issue-tracking, vendor-advisory
- https://github.com/free5gc/smf/pull/188issue-tracking, patch
- https://github.com/free5gc/smf/product
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.