CVE-2026-8224

Open5GS PCF context.c pcf_sess_set_ipv6prefix denial of service

HIGH
7.5
CVSS Score
Published: May 10, 2026 at 03:00 AM UTC
Updated: July 24, 2026 at 07:23 AM UTC
1 product affected across 1 vendorOpen5GS

Using Open5GS by N/A?

Get instant alerts when new vulnerabilities affect Open5GS - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.5
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

A vulnerability was determined in Open5GS up to 2.7.7. Affected by this issue is the function pcf_sess_set_ipv6prefix of the file /src/pcf/context.c of the component PCF. Executing a manipulation of the argument SmPolicyContextData.ipv6AddressPrefix can lead to denial of service. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/362441
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/vuln/362441/cti
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/submit/808443
ExploitIssue Tracking
Source: cverecord
https://github.com/open5gs/open5gs/issues/4439
Product
Source: cverecord
https://github.com/open5gs/open5gs/

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-404

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card