VulnerabilityAnalyzed

CVE-2026-8251

A vulnerability was found in Open5GS up to 2.7.7.

LOW 2.1EPSS 0.46%

Does this matter?

Lower severity and a low EPSS score (0.46%). Track it; it rarely justifies an emergency change on its own.

Description

A vulnerability was found in Open5GS up to 2.7.7. This impacts the function update_authorized_pcc_rule_and_qos of the file /src/smf/npcf-handler.c of the component SMF. Performing a manipulation results in denial of service. The attack is possible to be carried out remotely. The exploit has been made public and could 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: 0.46% probability · 39th 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/4445Exploit, Issue Tracking
https://vuldb.com/submit/808480Third Party Advisory, VDB Entry
https://vuldb.com/vuln/362548Third Party Advisory, VDB Entry
https://vuldb.com/vuln/362548/ctiPermissions Required, VDB Entry

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.