Medium severity · published Jun 19, 2026
CVE-2026-8296
In affected versions of Octopus Server with certain access levels it was possible to embed a Cross-Site Scripting Payload via artifacts
5.6
CVSS
0.3%
EPSS
No
On KEV
Description
In affected versions of Octopus Server with certain access levels it was possible to embed a Cross-Site Scripting Payload via artifacts.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OS
Octopus Server · Octopus Deploy
2023.0.0 before 2025.4.10678; 2026.1.0 before 2026.1.11451; 2026.2.0 before 2026.2.13114 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-8296
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-8296
advisories.octopus.com
https://advisories.octopus.com/post/2026/sa2026-05
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