CVE-2026-8225

Description

A vulnerability was identified in Open5GS up to 2.7.7. This affects the function pcf_npcf_smpolicycontrol_handle_delete of the file src/pcf/sm-sm.c of the component delete Endpoint. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

Overview

State: PUBLISHED
Assigner (CNA): VulDB
CVSS severity: MEDIUM
CVSS score: 6.9 / 10
CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Effective score: 6.9 / 10 MEDIUM source: CNA overview
CWE(s): CWE-404
Reserved: 2026-05-09
Published: 2026-05-10 05:15 UTC
Last updated: 2026-05-13 16:41 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/8xxx/CVE-2026-8225.json
Linked Threat: CVE-2026-8225 — CVE-2026-8225

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2026-05-10 05:16:12 UTC
NVD last modified: 2026-05-12 17:38:16 UTC
NVD CVSS v3.1: 5.3 / 10 MEDIUM source: cna@vuldb.com
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Exploitability subscore: 3.9 / 10
Impact subscore: 1.4 / 10
EPSS score: 0.0008 (probability of exploitation in next 30 days)
EPSS percentile: 23.80% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2026-28973
Assigner: VulDB
Published: May 10, 2026, 3:15:08 AM
Updated: May 13, 2026, 2:41:14 PM
EUVD base score (CVSS 4.0): 6.9 / 10
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
EUVD-reported EPSS: 0.0800
Vendors: n/a
Products: Open5GS (2.7.0)

Open5GS (2.7.4)

Open5GS (2.7.2)

Open5GS (2.7.3)

Open5GS (2.7.7)

Open5GS (2.7.1)

Open5GS (2.7.5)

Open5GS (2.7.6)

ENISA description: A vulnerability was identified in Open5GS up to 2.7.7. This affects the function pcf_npcf_smpolicycontrol_handle_delete of the file src/pcf/sm-sm.c of the component delete Endpoint. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

EUVD references (5)

Affected products (1)

Vendor	Product	Versions	Platforms
n/a	Open5GS	`2.7.0` (affected), `2.7.1` (affected), `2.7.2` (affected), `2.7.3` (affected), `2.7.4` (affected), `2.7.5` (affected), `2.7.6` (affected), `2.7.7` (affected)	—

Affected products — CPE 2.3 (1) NVD

NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.

cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*

Vendor references (5)

References embedded in the original CVE record by the assigning CNA.

VDB-362442 | Open5GS delete Endpoint sm-sm.c pcf_npcf_smpolicycontrol_handle_delete denial of service vdb-entrytechnical-description
VDB-362442 | CTI Indicators (IOB, IOC, TTP, IOA) signaturepermissions-required
Submit #808444 | Open5gs PCF v2.7.7 Denial of Service third-party-advisory
https://github.com/open5gs/open5gs/issues/4440 exploitissue-tracking
https://github.com/open5gs/open5gs/ product

MITRE references (5) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

https://github.com/open5gs/open5gs/ product
VDB-362442 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
VDB-362442 | Open5GS delete Endpoint sm-sm.c pcf_npcf_smpolicycontrol_handle_delete denial of service vdb-entry, technical-description
https://github.com/open5gs/open5gs/issues/4440 exploit, issue-tracking
Submit #808444 | Open5gs PCF v2.7.7 Denial of Service third-party-advisory

Web references (3)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

https://nvd.nist.gov/vuln/detail/CVE-2026-8225 tenable:nvd.nist.gov
https://www.cve.org/CVERecord?id=CVE-2026-8225 tenable:www.cve.org
https://www.first.org/epss/ tenable:www.first.org

NVD-tagged references (5)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://github.com/open5gs/open5gs/ cna@vuldb.com Product
https://github.com/open5gs/open5gs/issues/4440 cna@vuldb.com ExploitIssue Tracking
https://vuldb.com/submit/808444 cna@vuldb.com Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/362442 cna@vuldb.com Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/362442/cti cna@vuldb.com Permissions RequiredVDB Entry

Remediations (16)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

Microsoft and Adobe Patch Tuesday, February 2026 Security Update Review

web:blog.qualys.com

Microsoft's February 2026 Patch Tuesday focuses on closing security gaps that attackers could exploit, reinforcing the importance of timely patching in enterprise environments. Here's a quick…

2026-05-23 21:03 UTC
Ubiquiti rushes out emergency fix for critical bug in UniFi Network ...

web:cybernews.com

Hackers can break in without any credentials. Ubiquiti released emergency updates, including a UniFi Express firmware patch , that fix two vulnerabilities in the UniFi Network Application, the ecosystem's software for managing UniFi devices, setting up WiFi networks, configuring firewalls, monitoring traffic, and more.

2026-05-23 21:03 UTC
Microsoft Patch Tuesday March 2026 - 78 Vulnerabilities Fixed ...

web:cybersecuritynews.com

Microsoft released its March 2026 Patch Tuesday security update on March 10, 2026 , addressing 78 vulnerabilities across Windows, Microsoft Office, Azure, SQL Server, and .NET. The update includes one actively exploited zero-day vulnerability and multiple Critical-rated flaws demanding immediate attention from security teams. The most urgent fix this month is CVE - 2026 -21262, the sole zero-day ...

2026-05-23 21:03 UTC
Patch Tuesday, May 2026 Edition - Krebs on Security

web:krebsonsecurity.com

Microsoft expects that exploitation is more likely. May's Patch Tuesday is a welcome respite from April, which saw Microsoft fix a near-record 167 security flaws.

2026-05-23 21:03 UTC
Security Update Guide - Microsoft

web:portal.msrc.microsoft.com

The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

2026-05-23 21:03 UTC
Critical Patches Issued for Microsoft Products, April 14, 2026

web:www.cisecurity.org

<p>Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution. Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or ...

2026-05-23 21:03 UTC
April 2026 Patch Tuesday: Updates and Analysis | CrowdStrike

web:www.crowdstrike.com

Microsoft's April 2026 Patch Tuesday addresses 164 CVEs , featuring 8 Critical vulnerabilities, one exploited zero-day, and one disclosed zero-day.

2026-05-23 21:03 UTC
National Vulnerability Database | NIST

web:www.nist.gov

NIST maintains the National Vulnerability Database (NVD), a repository of information on software and hardware flaws that can compromise computer security. This is a key piece of the nation's cybersecurity infrastructure.

2026-05-23 21:03 UTC
Oracle Critical Patch Update Advisory - April 2026

web:www.oracle.com

This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.

2026-05-23 21:03 UTC
Patch Tuesday May 2026: Security Updates & CVE Analysis

web:zecurit.com

Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .

2026-05-23 21:03 UTC
Security Advisory Bulletin 064 | Ubiquiti Community

web:community.ui.com

Published: May 21, 2026 Updated: May 22, 2026 Version: 1.1 Revision: 1.1 Summary 1 of 5 A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection. Affected Products: UniFi OS Server (Version 5.0.6 and earlier) Mitigation : Update your UniFi OS Server to Version 5.0.8 or later ...

2026-05-26 02:50 UTC
Security Update Guide - Microsoft Security Response Center

web:msrc.microsoft.com

Security Update Guide - Microsoft Security Response Center

2026-05-26 02:50 UTC
VMware ESXi 8.0 Update 3d Release Notes

web:techdocs.broadcom.com

Patch Category Security Patch Severity Critical Host Reboot Required Yes Virtual Machine Migration or Shutdown Required Yes Affected Hardware N/A Affected Software N/A Affected VIBs Included VMware_bootbank_esxio-update_8..3-.60.24585383 VMware_bootbank_loadesxio_8..3-.60.24585383 PRs Fixed N/A CVE numbers N/A Due to their dependency on the ...

2026-05-26 02:50 UTC
Microsoft is working on a patch for 'YellowKey ... - Computerworld

web:www.computerworld.com

Microsoft says it is considering a patch for a zero-day vulnerability, dubbed YellowKey, that allows attackers with access to a Windows device to bypass Bitlocker encryption protection and read ...

2026-05-26 02:50 UTC
May 2026 Patch Tuesday: Updates and Analysis | CrowdStrike

web:www.crowdstrike.com

Microsoft has released security updates for 130 vulnerabilities, including 30 critical, in its May 2026 Patch Tuesday rollout.

2026-05-26 02:50 UTC
Microsoft confirms Windows 11 May update is failing with error 0x800f0922

web:www.windowscentral.com

Microsoft confirms that the Windows 11 May 2026 update fails with error 0x800f0922 on some computers, but a rollback and a fix are already available.

2026-05-26 02:50 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-8225.json.

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