VYPR
High severity7.8NVD Advisory· Published Oct 7, 2021· Updated Jun 17, 2026

CVE-2021-26557

CVE-2021-26557

Description

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.

Affected products

3
  • Octopus/Tentacle2 versions
    cpe:2.3:a:octopus:tentacle:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:octopus:tentacle:*:*:*:*:*:*:*:*range: >=3.15.4,<6.0.489
    • (no CPE)
  • Octopus Deploy/Octopus Tentaclev5
    Range: 3.15.4

Patches

Vulnerability mechanics

References

1

News mentions

0

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