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CVE-2026-102488

High

Description

In affected versions, Octopus Server incorrectly evaluates multiple scoped permission assignments, allowing a highly privileged user to obtain deployment permissions beyond those actually granted to them.

SeverityHigh
CVSS8.7
Exploit probability—
ProductOctopus Server
PublishedOct 8, 2026
First seenOct 8, 2026
Weakness typeCWE-863Incorrect authorization

How to fix

Update
  • Octopus Deploy Octopus Server2026.2.12438, 2026.3.15816 or later

Affected products

ProductAffected versionsFixed in
Octopus Deploy Octopus Server2019.5.0 ≤ v < 2026.2.12438, 2026.3.0 ≤ v < 2026.3.158162026.2.12438, 2026.3.15816

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