AUGUST 4, 2026
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Case File

CVE-2021-26556

HIGH · CVSS 7.8 EPSS 0.26%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-10-07 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. See the original NVD description below for full technical details.

CVE
CVE-2021-26556
Severity
HIGH
CVSS
7.8
EPSS
0.26%

Original NVD Description

When Octopus Server 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)