Vulnerability Details CVE-2026-35571
Emissary is a P2P based data-driven workflow engine. Prior to 8.39.0, Mustache navigation templates interpolated configuration-controlled link values directly into href attributes without URL scheme validation. An administrator who could modify the navItems configuration could inject javascript: URIs, enabling stored cross-site scripting (XSS) against other authenticated users viewing the Emissary web interface. This vulnerability is fixed in 8.39.0.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 8.2%
CVSS Severity
CVSS v3 Score 4.8
Products affected by CVE-2026-35571
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cpe:2.3:a:nsa:emissary:5.0.0
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cpe:2.3:a:nsa:emissary:5.1.0
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cpe:2.3:a:nsa:emissary:5.10.0
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cpe:2.3:a:nsa:emissary:5.11.0
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cpe:2.3:a:nsa:emissary:5.2.0
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cpe:2.3:a:nsa:emissary:5.3.0
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cpe:2.3:a:nsa:emissary:5.4.1
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cpe:2.3:a:nsa:emissary:5.5.0
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cpe:2.3:a:nsa:emissary:5.6.0
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cpe:2.3:a:nsa:emissary:5.7.0
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cpe:2.3:a:nsa:emissary:5.8.0
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cpe:2.3:a:nsa:emissary:5.9.0
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cpe:2.3:a:nsa:emissary:6.0.0
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cpe:2.3:a:nsa:emissary:6.1.0
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cpe:2.3:a:nsa:emissary:6.2.0
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cpe:2.3:a:nsa:emissary:6.3.0
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cpe:2.3:a:nsa:emissary:6.4.0
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cpe:2.3:a:nsa:emissary:6.5.0
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cpe:2.3:a:nsa:emissary:6.6.0
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cpe:2.3:a:nsa:emissary:7.0.0
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cpe:2.3:a:nsa:emissary:7.1.0
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cpe:2.3:a:nsa:emissary:7.10.0
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cpe:2.3:a:nsa:emissary:7.11.0
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cpe:2.3:a:nsa:emissary:7.12.0
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cpe:2.3:a:nsa:emissary:7.13.0
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cpe:2.3:a:nsa:emissary:7.14.0
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cpe:2.3:a:nsa:emissary:7.15.0
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cpe:2.3:a:nsa:emissary:7.16.0
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cpe:2.3:a:nsa:emissary:7.17.0
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cpe:2.3:a:nsa:emissary:7.17.1
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cpe:2.3:a:nsa:emissary:7.18.0
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cpe:2.3:a:nsa:emissary:7.19.0
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cpe:2.3:a:nsa:emissary:7.19.1
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cpe:2.3:a:nsa:emissary:7.2.0
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cpe:2.3:a:nsa:emissary:7.3.0
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cpe:2.3:a:nsa:emissary:7.4.0
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cpe:2.3:a:nsa:emissary:7.5.0
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cpe:2.3:a:nsa:emissary:7.6.0
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cpe:2.3:a:nsa:emissary:7.7.0
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cpe:2.3:a:nsa:emissary:7.8.0
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cpe:2.3:a:nsa:emissary:7.9.0
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cpe:2.3:a:nsa:emissary:8.0.0
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cpe:2.3:a:nsa:emissary:8.1.0
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cpe:2.3:a:nsa:emissary:8.10.0
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cpe:2.3:a:nsa:emissary:8.11.0
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cpe:2.3:a:nsa:emissary:8.11.1
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cpe:2.3:a:nsa:emissary:8.12.0
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cpe:2.3:a:nsa:emissary:8.13.0
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cpe:2.3:a:nsa:emissary:8.14.0
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cpe:2.3:a:nsa:emissary:8.15.0
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cpe:2.3:a:nsa:emissary:8.16.0
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cpe:2.3:a:nsa:emissary:8.17.0
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cpe:2.3:a:nsa:emissary:8.18.0
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cpe:2.3:a:nsa:emissary:8.19.0
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cpe:2.3:a:nsa:emissary:8.19.1
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cpe:2.3:a:nsa:emissary:8.2.0
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cpe:2.3:a:nsa:emissary:8.20.0
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cpe:2.3:a:nsa:emissary:8.21.0
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cpe:2.3:a:nsa:emissary:8.22.0
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cpe:2.3:a:nsa:emissary:8.23.0
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cpe:2.3:a:nsa:emissary:8.24.0
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cpe:2.3:a:nsa:emissary:8.25.0
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cpe:2.3:a:nsa:emissary:8.26.0
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cpe:2.3:a:nsa:emissary:8.27.0
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cpe:2.3:a:nsa:emissary:8.28.0
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cpe:2.3:a:nsa:emissary:8.29.0
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cpe:2.3:a:nsa:emissary:8.3.0
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cpe:2.3:a:nsa:emissary:8.30.0
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cpe:2.3:a:nsa:emissary:8.31.0
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cpe:2.3:a:nsa:emissary:8.32.0
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cpe:2.3:a:nsa:emissary:8.33.0
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cpe:2.3:a:nsa:emissary:8.34.0
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cpe:2.3:a:nsa:emissary:8.35.0
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cpe:2.3:a:nsa:emissary:8.36.0
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cpe:2.3:a:nsa:emissary:8.37.0
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cpe:2.3:a:nsa:emissary:8.38.0
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cpe:2.3:a:nsa:emissary:8.4.0
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cpe:2.3:a:nsa:emissary:8.5.0
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cpe:2.3:a:nsa:emissary:8.6.0
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cpe:2.3:a:nsa:emissary:8.7.0
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cpe:2.3:a:nsa:emissary:8.7.1
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cpe:2.3:a:nsa:emissary:8.8.0
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cpe:2.3:a:nsa:emissary:8.9.0