CVE-2021-31821: Octopus Tentacle

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

When the Windows Tentacle docker image starts up it logs all the commands that it runs along with the arguments, which writes the Octopus Server API key in plaintext. This does not affect the Linux Docker image

Affected products

• Octopus Tentacle: before 6.1.1266 (fixed in 6.1.1266)

Published 2022-01-19. Last modified 2026-06-17.