CVE record · CVE-2026-82561

Apache NiFi: Missing Authorization for Components Referenced in Flow Update Methods

CVSS 5.9 MediumEPSS 0.0048 · 41st percentile

Published by the CVE Program (CNA: apache) at 16 Sept 2026, 19:37 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Apache Software Foundation	Apache NiFi Package name: org.apache.nifi:nifi-web-api https://repo.maven.apache.org/maven2 pkg:maven/org.apache.nifi/nifi-web-api	affected 1.5.0 to 2.11.0, inclusive semver Other versions: unaffected

Identifiers: CVE-2026-82561
CNA: apache
Weakness (CWE): CWE-862
Tags: Apache Software Foundation Apache NiFi
Broken access control
Published: 16 Sept 2026
Updated: 17 Sept 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.9	Medium	4.0	CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:H/VA:L/SC:L/SI:L/SA:L/S:N/AU:Y/R:U/V:C/RE:L/U:Clear	CNA (apache)Used for this record
6.5	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N	ADP (CISA-ADP)

CISA KEV Not listed.
EPSS 0.0048, the 41st percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 16 Sept 2026. New records show when each source confirmed them.

Sources

References from the CNA

lists.apache.org/thread/opk7l8wqvnl85qxlzj3dnxp6qbk27lwm vendor-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.