CVE-2026-8249
Last modified
CVE-2026-8249 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A flaw has been found in Open5GS up to 2.7.7. The impacted element is the function update_authorized_pcc_rule_and_qos of the file /src/smf/npcf-handler.c of the component SMF. EPSS estimates a 0.37% chance of exploitation in the next 30 days.
Description
A flaw has been found in Open5GS up to 2.7.7. The impacted element is the function update_authorized_pcc_rule_and_qos of the file /src/smf/npcf-handler.c of the component SMF. This manipulation causes denial of service. Remote exploitation of the attack is possible. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Open5gs | Open5gs | <= 2.7.7 |
References
- https://github.com/open5gs/open5gs/issues/4443Exploit, Issue Tracking
- https://vuldb.com/submit/808473Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/362546Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/362546/ctiPermissions Required, VDB Entry
- https://vuldb.com/submit/808473Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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