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CVE-2026-8296

AI Predicted 6.1 Difficulty: Moderate EPSS 0.20% · P10

Possible ATT&CK Techniques 1AI

T1189 · Drive-by Compromise

Affected Version Matrix 3

VendorProductVersion RangeStatus
Octopus DeployOctopus Server2023.0.0< 2025.4.10678affected
2026.1.0< 2026.1.11451affected
2026.2.0< 2026.2.13114affected
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I. Basic Information for CVE-2026-8296

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
In affected versions of Octopus Server with certain access levels it was possible to embed a Cross-Site Scripting Payload via artifacts.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
Octopus DeployOctopus Server 2023.0.0 ~ 2025.4.10678 -

II. Public POCs for CVE-2026-8296

#POC DescriptionSource LinkShenlong Link
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III. Intelligence Information for CVE-2026-8296

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Vendor Advisories for CVE-2026-8296 (1)

IV. Related Vulnerabilities

Same product: Octopus Server
Same vendor: Octopus Deploy

V. Comments for CVE-2026-8296

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