Vulnerability Details CVE-2026-57303
Jenkins Assembla Plugin 1.4 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks, allowing attackers able to control the responses of the configured Assembla server to extract secrets from the Jenkins controller or perform server-side request forgery.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 10.1%
CVSS Severity
CVSS v3 Score 7.1
Products affected by CVE-2026-57303
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cpe:2.3:a:jenkins:assembla:1.0
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cpe:2.3:a:jenkins:assembla:1.1
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cpe:2.3:a:jenkins:assembla:1.2
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cpe:2.3:a:jenkins:assembla:1.3
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cpe:2.3:a:jenkins:assembla:1.4