CVE-2026-44328 free5GC: SMF UPI DELETE /upi/v1/upNodesLinks/{ref} panics on AN-node deletion via nil UPF dereference; unauthenticated, state-mutating

🗓️ 27 May 2026 15:39:44Reported by GoogleType

osv

osv🔗 osv.dev👁 2 Views

Unauthenticated DELETE on upNodesLinks causes nil dereference and topology mutation in free5GC core

Reporter	Title	Published	Views	Family All 14
ATTACKERKB	CVE-2026-44328	27 May 202615:39	–	attackerkb
Circl	CVE-2026-44328	8 May 202623:01	–	circl
CNNVD	free5GC 安全漏洞	27 May 202600:00	–	cnnvd
CVE	CVE-2026-44328	27 May 202615:39	–	cve
Cvelist	CVE-2026-44328 free5GC: SMF UPI DELETE /upi/v1/upNodesLinks/{ref} panics on AN-node deletion via nil UPF dereference; unauthenticated, state-mutating	27 May 202615:39	–	cvelist
EUVD	EUVD-2026-32570	27 May 202615:39	–	euvd
Github Security Blog	free5GC's SMF UPI DELETE /upi/v1/upNodesLinks/{ref} panics on AN-node deletion via nil UPF dereference; unauthenticated, state-mutating	8 May 202623:01	–	github
NVD	CVE-2026-44328	27 May 202617:16	–	nvd
OSV	GHSA-P9MG-74MG-CWWR free5GC's SMF UPI DELETE /upi/v1/upNodesLinks/{ref} panics on AN-node deletion via nil UPF dereference; unauthenticated, state-mutating	8 May 202623:01	–	osv
OSV	GO-2026-5537 free5GC's SMF UPI DELETE /upi/v1/upNodesLinks/{ref} panics on AN-node deletion via nil UPF dereference; unauthenticated, state-mutating in github.com/free5gc/smf	25 Jun 202622:34	–	osv

Source	Link
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44328.json
github	www.github.com/free5gc/free5gc/security/advisories/GHSA-p9mg-74mg-cwwr
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-44328
github	www.github.com/free5gc/free5gc/issues/905
github	www.github.com/free5gc/smf/commit/b57bc48081c3d3a2f333d02eb78e4fd31a120deb
github	www.github.com/free5gc/smf/pull/199

08 Jul 2026 08:13Current

6Medium risk

Vulners AI Score6

CVSS 3.18.2

EPSS0.00324

unauthenticated delete up nodes links nil dereference topology mutation free5gc core session management function