Last seen June 12, 2026

Microsoft Copilot Remote Code Execution Vulnerability

Millions of AI agents imperiled by critical vulnerability in open source package Ars Technica

Technical Severity
Low severity
Lifecycle Status

STABLE

Sources

What Happened

Millions of AI agents imperiled by critical vulnerability in open source package Ars Technica

Why This Matters

Publisher reporting describes a security event affecting jun. BugSkan could not yet bind a CVE or affected version, so treat the source details as the current record.

Recommended Action

Confirm whether jun is present in your environment, compare your versions against the report, and apply available vendor patches or mitigations.

Exposure

My Interests Exposure

Exposure unknown

Recommended Response
Last Seen

Jun 12, 2026 12:30

Exposure reason: This incident does not currently match a technology in My Interests.

Exploitation status: UNKNOWN

Primary entities:

Amazon AWSAnthropicGitHubGoogleMicrosoftOpenAI

Authoritative Intelligence

CVE CVE-2026-48710 Incident identifier

EPSS is a vulnerability exploitation probability signal, not proof that your environment is exposed. CISA KEV means known exploitation of the vulnerability, not that your system was exploited.

Public GitHub References

Search GitHub for public repositories that mention this CVE. BugSkan only lists repository metadata as a defensive awareness signal — it does not fetch or display exploit code.

CVE-2026-48710 on GitHub

Timeline

  • Incident first seen
    May 26, 2026 12:30

    BugSkan first recorded this incident.

  • Millions of AI agents imperiled by critical vulnerability in open source package - Ars Technica
    May 26, 2026 12:30

    news.google.com · Vulnerability

  • BadHost vulnerability bypasses authentication on AI infrastructure - Risky Business Newsletters
    May 27, 2026 12:30

    news.google.com · Vulnerability

  • Active Exploitation Alert: CVE-2026-42271 and CVE-2026-48710—Unauthenticated RCE in LiteLLM AI Gateway via Starlette Host Header Bypass - Rescana
    Jun 09, 2026 12:30

    news.google.com · Vulnerability

  • LangGraph Flaw Chain Exposes Self-Hosted AI Agents to Remote Code Execution - The Hacker News
    Jun 12, 2026 12:30

    news.google.com · Vulnerability

  • Latest observed development
    Jun 12, 2026 12:30

    Most recent source or update associated with this incident.

Sources

Millions of AI agents imperiled by critical vulnerability in open source package - Ars Technica

news.google.com · May 26, 2026 12:30

Millions of AI agents imperiled by critical vulnerability in open source package Ars Technica

Open publisher source
BadHost vulnerability bypasses authentication on AI infrastructure - Risky Business Newsletters

news.google.com · May 27, 2026 12:30

BadHost vulnerability bypasses authentication on AI infrastructure Risky Business Newsletters

Open publisher source
Active Exploitation Alert: CVE-2026-42271 and CVE-2026-48710—Unauthenticated RCE in LiteLLM AI Gateway via Starlette Host Header Bypass - Rescana

news.google.com · Jun 09, 2026 12:30

Active Exploitation Alert: CVE-2026-42271 and CVE-2026-48710—Unauthenticated RCE in LiteLLM AI Gateway via Starlette Host Header Bypass Rescana

Open publisher source
LangGraph Flaw Chain Exposes Self-Hosted AI Agents to Remote Code Execution - The Hacker News

news.google.com · Jun 12, 2026 12:30

LangGraph Flaw Chain Exposes Self-Hosted AI Agents to Remote Code Execution The Hacker News

Open publisher source

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