Vulnerability · Published Oct 1, 2026 · Assigned by Octopus

CVE-2026-78210

High 7.1

In plain English

A high-severity incorrect authorization in Octopus Server from Octopus Deploy. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).

Severity (CVSS 4.0)7.1High
Exploit odds (30 days)0.3%top 82.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In affected versions of Octopus Server, users with certain scoped permission sets could execute arbitrary scripts in an environment without possessing the required authorization.

Affected products (as reported)

VendorProductVersions
Octopus Deploy Octopus Server 2019.5.9 – before 2026.1.117392026.2.0 – before 2026.2.133642026.3.0 – before 2026.3.13951

Weakness: CWE-863 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N

References