5.6
MEDIUM CVSS 4.0
CVE-2026-8296
Octopus Server Artifact Cross-Site Scripting
Description

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

INFO

Published Date :

June 19, 2026, 9:23 a.m.

Last Modified :

June 19, 2026, 9:23 a.m.

Remotely Exploit :

Yes !

Source :

Octopus
Affected Products

The following products are affected by CVE-2026-8296 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 MEDIUM 6f4f8c89-ef06-4bae-a2a5-6734ddf76272
CVSS 4.0 MEDIUM [email protected]
Solution
Update Octopus Server to a patched version to prevent embedded Cross-Site Scripting payloads.
  • Update Octopus Server to a non-vulnerable version.
  • Review artifact handling for embedded scripts.
  • Validate user inputs for script tags.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-8296 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.