Vulnerability Database

309,469

Total vulnerabilities in the database

CVE-2020-26099

cPanel before 88.0.3 allows attackers to bypass the SMTP greylisting protection mechanism (SEC-491).

  • Published: Sep 25, 2020
  • Updated: Nov 16, 2025
  • CVE: CVE-2020-26099
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:P/A:N

No CWE or OWASP classifications available.

Software From Fixed in
cpanel / cpanel - 88.0.3