PT-2026-7401 · Github · Github Copilot

7Resp4Ss + 1 · Published 2026-02-10 · Updated 2026-03-02 · CVE-2026-21516

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Github Copilot (affected versions not specified)

Description A command injection issue exists in Github Copilot. This allows a remote, unauthorized attacker to execute code over a network. The issue is related to a failure to sanitize data at the management level.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

BDU:2026-01743

CVE-2026-21516

Affected Products

Github Copilot

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-21516 · Security Note
• https://osv.dev/vulnerability/CVE-2026-21516 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21516 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-01743 · Security Note
• https://twitter.com/rahsi_aaka/status/2028438528816988542 · Twitter Post