Vulnerability Database

322,573

Total vulnerabilities in the database

CVE-2026-21521

Improper neutralization of escape, meta, or control sequences in Copilot allows an unauthorized attacker to disclose information over a network.

  • Published: Jan 22, 2026
  • Updated: Jan 24, 2026
  • CVE: CVE-2026-21521
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.4
  • AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

CWEs: