CVE-2026-102488 Privilege escalation in Octopus Server

High 8.7 Published Updated

A highly privileged user can obtain deployment permissions beyond those granted due to incorrect evaluation of scoped permission assignments in Octopus Server.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-102488?

CVE-2026-102488 is a high-severity vulnerability in Octopus Server, published on 8 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-863

Which versions are affected by CVE-2026-102488?

How do I fix CVE-2026-102488?

No fix has been published for CVE-2026-102488 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-102488 being exploited?

There is no known exploitation of CVE-2026-102488 in the wild and no public exploit code.

Sources

Also known as GHSA-w6j2-5q9c-xv6x.

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