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Advisory record · GHSA-c5w7-m8wf-xc77

Apache NiFi: Missing Authorization of Restricted Permissions for Component Updates

CVSS 8.7 HighEPSS 0.0075 · 55th percentile

Published by the GitHub Advisory Database at 17 Feb 2026, 12:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.apache.nifi:nifi-web-apiMaven>=1.1.0, <2.8.02.8.0
Identifiers
GHSA-c5w7-m8wf-xc77 · BIT-nifi-2026-25903 · CVE-2026-25903
Weakness (CWE)
CWE-862
Tags
Published
17 Feb 2026
Updated
20 Feb 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Apache NiFi (nifi-web-api) versions 1.1.0 through 2.7.2 are affected. An authenticated user with write permissions can change configuration properties on extension components that a more privileged user previously added, bypassing the extra permissions normally required for restricted components. Upgrade to Apache NiFi 2.8.0 or later.

Written 3 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.7 High 4.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:P/AU:Y/R:I/V:C/RE:M/U:Amber CNA (apache)
  • CISA KEV Not listed.
  • EPSS 0.0075, the 55th percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:21 UTC First seen by agentprime
  2. 31 Oct 2026, 14:21 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.