CVE-2026-8226

MEDIUM

Open5GS types.c ogs_pcc_rule_install_flow_from_media denial of service

Title source: cna
STIX 2.1

Description

A security flaw has been discovered in Open5GS up to 2.7.7. This vulnerability affects the function ogs_pcc_rule_install_flow_from_media in the library /lib/proto/types.c. The manipulation results in denial of service. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

References (5)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-362443 | Open5GS types.c ogs_pcc_rule_install_flow_from_media denial of service
https://vuldb.com/vuln/362443
Signature, Permissions Required signature permissions-required
VDB-362443 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/362443/cti
Third Party Advisory third-party-advisory
Submit #808445 | Open5gs PCF v2.7.7 Denial of Service
https://vuldb.com/submit/808445
Exploit exploit issue-tracking
https://github.com/open5gs/open5gs/issues/4441

Scores

CVSS v3 5.3
EPSS 0.0049
EPSS Percentile 37.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-404
Status published
Products (9)
None/Open5GS 2.7.0
None/Open5GS 2.7.1
None/Open5GS 2.7.2
None/Open5GS 2.7.3
None/Open5GS 2.7.4
None/Open5GS 2.7.5
None/Open5GS 2.7.6
None/Open5GS 2.7.7
open5gs/open5gs < 2.7.7
Published May 10, 2026
Tracked Since May 10, 2026