CVE-2026-8296

MEDIUM

Octopus Deploy Octopus Server - XSS

Title source: rule

Description

In affected versions of Octopus Server with certain access levels it was possible to embed a Cross-Site Scripting Payload via artifacts.

References (1)

Core 1

Core References

https://advisories.octopus.com/post/2026/sa2026-05

Scores

CVSS v4 5.6

EPSS 0.0032

EPSS Percentile 24.0%

CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (3)

Octopus Deploy/Octopus Server 2023.0.0 - 2025.4.10678

Octopus Deploy/Octopus Server 2026.1.0 - 2026.1.11451

Octopus Deploy/Octopus Server 2026.2.0 - 2026.2.13114

Published Jun 19, 2026

Tracked Since Jun 19, 2026