CVE-2026-8249
This manipulation causes denial of service.
Does this matter?
Lower severity and a low EPSS score (0.37%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 4.0
- 2.1 LOWCVSS: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/M
- EPSS
- 0.37% probability · 31th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-404
- Affected
- open5gs/open5gs
- Source
- cna@vuldb.com
EPSS 0.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/open5gs/open5gs/Product
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.