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CVE-2026-117341high7.7

In affected versions of Octopus Server, creating a user invitation writes the invitation code to the audit event log.

Impact

In affected versions of Octopus Server, creating a user invitation writes the invitation code to the audit event log. When the invitation is linked to a space, a user in that space with appropriate permissions could read the code from the audit event. Successfully exploiting this by redeeming the unclaimed invitation could allow the user to escalate privileges however this is dependant on the permissions assigned for the invited user.

Source excerpt · Octopus

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Octopus Deploy · Octopus Server

Platforms: Windows, Linux

Other versions: unaffected

Version / rangeSource status
2019.0.0 to before 2026.2.13438affected
2026.3.0 to before 2026.3.15829affected
Octopus version evidence

Original source description

In affected versions of Octopus Server, creating a user invitation writes the invitation code to the audit event log. When the invitation is linked to a space, a user in that space with appropriate permissions could read the code from the audit event. Successfully exploiting this by redeeming the unclaimed invitation could allow the user to escalate privileges however this is dependant on the permissions assigned for the invited user.

References