CVE-2026-8296

Medium

Description

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

SeverityMedium
CVSS5.6
Exploit probability—
ProductOctopus Server
PublishedJun 19, 2026
First seenJun 19, 2026

How to fix

Update
  • Octopus Deploy Octopus Server2025.4.10678, 2026.1.11451, 2026.2.13114 or later

Affected products

ProductAffected versionsFixed in
Octopus Deploy Octopus Server2023.0.0 ≤ v < 2025.4.10678, 2026.1.0 ≤ v < 2026.1.11451, 2026.2.0 ≤ v < 2026.2.131142025.4.10678, 2026.1.11451, 2026.2.13114

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CVE-2026-8296 · Octopus Server · Dark Radar