CVE-2026-8249
Open5GS SMF npcf-handler.c update_authorized_pcc_rule_and_qos denial of service
LOW 2.1EPSS 0.7%
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.
- Affected
- Open5GS
- CVSS v4.0 VULDB
- 2.1 LOW
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 - CVSS v3.1 NVD
- 6.5 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS v3.1 VULDB
- 4.3 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - CVSS v2.0 VULDB
- 4.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:P - EPSS
- 0.68% chance of exploitation in the next 30 days, 51st percentile
- Published
- 2026-05-10
- Updated
- 2026-05-11
Proof-of-concept exploits (1)
- open5gs/open5gs/issues/44432770★ · 2026-10-15