Medium 4.3Published May 10, 2026

CVE-2026-8248Open5GS SMF npcf-handler.c update_authorized_pcc_rule_and_qos denial of service

Updated under an hour ago (Oct 26, 2026, 5:30 PM ET)

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It affects n/a Open5GS. 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 n/a Open5GS

Exploited in the last 30 days

A vulnerability was detected in Open5GS up to 2.7.7. The affected element is the function update_authorized_pcc_rule_and_qos of the file /src/smf/npcf-handler.c of the component SMF. The manipulation results in denial of service. The attack may be launched remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

CVSS: 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C
Weakness (CWE): 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: Analyzed
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

n/a Open5GS open5gs:open5gs	2.7.0; 2.7.1; 2.7.2; 2.7.3; 2.7.4; 2.7.5; 2.7.6; 2.7.7	CNA record
open5gs open5gs open5gs:open5gs	through 2.7.7	NVD

References

References

https://vuldb.com/vuln/362545	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/vuln/362545/cti	signature, permissions-required, vdb-entry
https://vuldb.com/submit/808472	third-party-advisory, vdb-entry
https://github.com/open5gs/open5gs/issues/4442	exploit, issue-tracking
https://github.com/open5gs/open5gs/	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.