Vulnerability Database

309,961

Total vulnerabilities in the database

CVE-2021-26557

When Octopus Tentacle is installed using a custom folder location, folder ACLs are not set correctly and could lead to an unprivileged user using DLL side-loading to gain privileged access.

  • Published: Oct 7, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-26557
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.8
  • AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: Low
  • Score: 4.4
  • AV:L/AC:M/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
octopus / tentacle 3.15.4 6.0.489