Jenkins LDAP Plugin 807.v7d7de30930cf and earlier deserializes data obtained through LDAP referrals without validating the referred target or the returned serialized content. When the plugin follows a referral from the configured LDAP server to an attacker-controlled RMI endpoint, the Jenkins controller can be induced to deserialize attacker-controlled data. If a suitable gadget chain is present on the controller classpath, this unsafe deserialization condition can be leveraged to execute arbitrary code. The issue affects referral handling in the plugin’s LDAP authentication or directory interaction flow and is triggered by trusting referral responses from the upstream LDAP service.
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No public exploit code observed for this vulnerability.
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Cross-references every affected SKU, including bundled OEM variants.
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