gcdRadar
archive/Patch now/AIR-2026-1072
closedclosed 13 May 2026Patch now2 Disclosed vulnerabilityAI

CVE-2026-45033: GitHub Copilot CLI Arbitrary Code Execution

GitHub Copilot CLI

A security vulnerability in GitHub Copilot CLI prior to version 1.0.43 allows a malicious bare git repository to achieve arbitrary code execution. The issue arises during automatic bare repository discovery when performing git operations.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

CVSS
8.5
EPSS
<0.01 · top 71% · 2026-11-13
fix status
Fix status unknown
first report
13 May 2026
last update
13 May 2026

Timeline · 1

  1. 13 May 2026CVE-2026-45033: GitHub Copilot CLI brings AI-powered coding assistance directly to your command line.

Sources · 1

Advisories and databases

  1. 2026-05-13

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
Attack on AI
categories
Infrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Microsoft, Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
dates
happened 13 May 2026 · first reported 13 May 2026
origin
NVD
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
record
confidence 0.90 · created 2026-10-18 10:04Z · updated 2026-10-18 10:04Z

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
# CVE-2026-45033: GitHub Copilot CLI Arbitrary Code Execution

https://gcdradar.vercel.app/incidents/cve-2026-45033-github-copilot-cli-arbitrary-code-execution · AIR-2026-1072 · closed 2026-05-13

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-05-13
- AI role: Attack on AI
- Products: GitHub Copilot CLI
- CVE ids: CVE-2026-45033
- CVSS: 8.5

## Summary

A security vulnerability in GitHub Copilot CLI prior to version 1.0.43 allows a malicious bare git repository to achieve arbitrary code execution. The issue arises during automatic bare repository discovery when performing git operations.

## What to do

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

## Latest updates

- 2026-05-13: CVE-2026-45033: GitHub Copilot CLI brings AI-powered coding assistance directly to your command line. (https://nvd.nist.gov/vuln/detail/CVE-2026-45033)

## Sources

- 2026-05-13 NVD: CVE-2026-45033: GitHub Copilot CLI brings AI-powered coding assistance directly to your command line. https://nvd.nist.gov/vuln/detail/CVE-2026-45033

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

Related

  1. closed7.5
    GitHub Copilot GitHub Copilot CLI shell tool arbitrary code execution vulnerability

    Patch now · Disclosed · since 6 Mar 2026 · CVE-2026-29783

    AI
  2. closed8.8
    GitHub Copilot CVE-2026-41109: Improper Neutralization in GitHub Copilot

    Patch now · Disclosed · since 12 May 2026 · CVE-2026-41109

    AI
  3. closed5.7
    GitHub Copilot CVE-2026-23653: Command Injection Flaw in GitHub Copilot and VS Code

    Patch now · Disclosed · since 14 Apr 2026 · CVE-2026-23653

    AI
  4. closed8.7
    Lokka CVE-2026-58201: Lokka Microsoft 365 MCP server bearer token leak

    Patch now · Disclosed · since 15 Sep 2026 · CVE-2026-58201

    AI
  5. closed6.5
    GitHub Copilot GitHub Copilot and Visual Studio Code vulnerable to credential disclosure

    Patch now · Disclosed · since 8 Sep 2026 · CVE-2026-81381

    AI
  6. closed5.3
    GitHub Copilot CVE-2026-81380: GitHub Copilot and VS Code command injection vulnerability

    Patch now · Disclosed · since 8 Sep 2026 · CVE-2026-81380

    AI