gcdRadar
closedclosed 11 Nov 2026Breaches & attacks3 Confirmed exploitation

China-Nexus Attack Using PHP2Shell Breaches U.S. Government-Affiliated Network

PHP2Shell

Threat actors exploited PHP2Shell vulnerabilities and combined them with a kernel privilege escalation exploit to compromise 25 servers in a network with U.S. government affiliation. The activity was identified by cybersecurity researchers as part of an active campaign.

why this severityConfirmed exploitation and intrusion against a real target network.

first report
28 Oct 2026
last update
28 Oct 2026

Timeline · 1

  1. 28 Oct 2026PHP2Shell Attack Roots 25 Servers, Breaches U.S. Government-Affiliated Network

Sources · 1

News and write-ups

  1. 2026-10-28
    PHP2Shell Attack Roots 25 Servers, Breaches U.S. Government-Affiliated Network
    The Hacker News · thehackernews.com/2026/10/php2shell-attack-roots-25-servers.html

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

AI role
No AI role
categories
General security
severity
3 · Confirmed exploitation
targets
Not applicable
owasp llm top 10
no entry for these categories
mitre atlas
no technique for these categories
dates
happened 25 Oct 2026 · first reported 28 Oct 2026
origin
News & research feeds
record
confidence 0.90 · created 2026-10-28 19:40Z · updated 2026-11-12 00:11Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# China-Nexus Attack Using PHP2Shell Breaches U.S. Government-Affiliated Network

https://gcdradar.vercel.app/incidents/china-nexus-attack-using-php2shell-breaches-u-s-government-a · AIR-2026-1621 · closed 2026-11-11

- Lane: Breaches & attacks
- Severity: 3 (Confirmed exploitation): Confirmed exploitation and intrusion against a real target network.
- Fix status: No fix needed
- First reported: 2026-10-28 (happened 2026-10-25)
- AI role: No AI role
- Products: PHP2Shell

## Summary

Threat actors exploited PHP2Shell vulnerabilities and combined them with a kernel privilege escalation exploit to compromise 25 servers in a network with U.S. government affiliation. The activity was identified by cybersecurity researchers as part of an active campaign.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-10-28: PHP2Shell Attack Roots 25 Servers, Breaches U.S. Government-Affiliated Network (https://thehackernews.com/2026/10/php2shell-attack-roots-25-servers.html)

## Sources

- 2026-10-28 The Hacker News: PHP2Shell Attack Roots 25 Servers, Breaches U.S. Government-Affiliated Network https://thehackernews.com/2026/10/php2shell-attack-roots-25-servers.html

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

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