What is CVE-2018-10550?

CVE-2018-10550 is a high-severity vulnerability in Octopus Deploy, classified under Improper Privilege Management. CVSS score: 7.5/10. Published 2018-04-30.

How severe is CVE-2018-10550?

High severity. CVSS v3 base score is 7.5 out of 10.

Privilege escalation in Octopus Deploy

CVE-2018-10550

In Octopus Deploy before 2018.4.7, target and tenant tag variable scopes were not checked against the list of tenants the user has access to.

Vulnerability class: Privilege Escalation

Published 2018-04-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.013 (68.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: -0.000

Affected products

Octopus Deploy

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

github.com/OctopusDeploy/Issues/issues/4454 (Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2018-10550?: CVE-2018-10550 is a high-severity vulnerability in Octopus Deploy, classified under Improper Privilege Management. CVSS score: 7.5/10. Published 2018-04-30.
How severe is CVE-2018-10550?: High severity. CVSS v3 base score is 7.5 out of 10.