CVE-2026-39816
optional extension component TinkerpopClientService is missing the Restricted annotation with…
Technology
Apache NiFi
CVSS Score
8.8 / 10.0
Affected Versions
>=2.0.0 <2.9.0
Upstream Fix
See upstream advisory
Published
May 8, 2026
OSSeva Coverage
Fixed upstream
Description
The optional extension component TinkerpopClientService is missing the Restricted annotation with the Execute Code Required Permission in Apache NiFi 2.0.0-M1 through 2.8.0. The TinkerpopClientService supports configuration of ByteCode Submission for the Script Submission Type, enabling Groovy Script execution in the service prior to submitting the query. The missing Restricted annotation allows users without the Execute Code Permission to configure the Service in installations that use fine-grained authorization and have the optional TinkerpopClientService installed. Apache NiFi installations that do not have the nifi-other-graph-services-na
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