CVE Explorer

CVE-2026-39816

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-gra

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1bcc3d483c459bad61a881646f5e6edbc388cdec7a4d324996d8173e5a33eec4

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.nifi:nifi-other-graph-services-nar","product":"Apache NiFi","vendor":"Apache Software Foundation","versions":[{"lessThanOrEqual":"2.8.0","status":"affected","version":"2.0.0-M1","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:262f75a566c2a050e83a594c9af99c69a8bf6cf7e67a3b4b797188e3b4147477 · sha256:756ab84d5315ba5a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"Automatable":"YES","Recovery":"IRRECOVERABLE","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":7.5,"baseSeverity":"HIGH","privilegesRequired":"HIGH","providerUrgency":"GREEN","subAvailabilityImpact":"LOW","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"NONE","valueDensity":"CONCENTRATED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/AU:Y/R:I/V:C/RE:L/U:Green","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegr…

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:262f75a566c2a050e83a594c9af99c69a8bf6cf7e67a3b4b797188e3b4147477 · sha256:756ab84d5315ba5a… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-862","description":"CWE-862 Missing Authorization","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:262f75a566c2a050e83a594c9af99c69a8bf6cf7e67a3b4b797188e3b4147477 · sha256:756ab84d5315ba5a… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions

{"url":"http://www.openwall.com/lists/oss-security/2026/04/13/8"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:262f75a566c2a050e83a594c9af99c69a8bf6cf7e67a3b4b797188e3b4147477 · sha256:756ab84d5315ba5a… · /containers/adp/0/references/0

{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/gh9g7xwvv4l20gzff6q3367snf35ctcb"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:262f75a566c2a050e83a594c9af99c69a8bf6cf7e67a3b4b797188e3b4147477 · sha256:756ab84d5315ba5a… · /containers/cna/references/0

{"url":"https://zeropath.com/blog/nifi-cve-2026-39816-privesc-rce"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:262f75a566c2a050e83a594c9af99c69a8bf6cf7e67a3b4b797188e3b4147477 · sha256:756ab84d5315ba5a… · /containers/adp/0/references/1

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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