CVE-2026-8296

mediumpriority · track · 0EPSS 0.003 · 24 %ileDEEU

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.32% (24th) EPSS

CVSS 5.6 · medium

Is it mine?

5 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-27

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

cvss

Technical severity, 0–10. One row per scoring source.

5.6

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.7–5.6

v4.05.6mediumCVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.05.6mediumCVSS: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:Xsecondary · security@octopus.com

v4.01.7lowCVSS: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:U/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:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79US

affected products (5)

Products and version ranges known to be affected.

Octopus Deploy Octopus Deploy Server <2026.2.13115all versionscert_bundDE
Octopus Deploy Octopus Deploy≤ Server <2026.2.13115cert_bundDE
Octopus Deploy Octopus Server2023.0.0 → 2025.4.10678enisa_euvdEU
Octopus Deploy Octopus Server2026.1.0 → 2026.1.11451enisa_euvdEU
Octopus Deploy Octopus Server2026.2.0 → 2026.2.13114enisa_euvdEU

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-1922Octopus Deploy: Schwachstelle ermöglicht Cross-Site ScriptingDeutsch2026-06-14csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Octopus Deploy ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund NVD CVE.org MITRE

published 2026-06-19modified 2026-10-26

references (3)

External citations — patches, advisories, analysis.

scry

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