VulnerabilityAnalyzed

CVE-2026-8249

This manipulation causes denial of service.

LOW 2.1EPSS 0.37%

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
CISA KEV: Not listed
Weakness: CWE-404
Affected: open5gs/open5gs
Source: cna@vuldb.com

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. Refreshed daily.