---
id: CVE-2026-20773
title: >-
  A role-based access control issue was identified in the administrative
  expression evaluation functionality
summary: >-
  A role-based access control issue was identified in the administrative
  expression evaluation functionality. This could allow users with certain
  administrative roles to access expression testing capabilities beyond their
  intended permissi…
severity: high
cvss: 8.5
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H'
cwe:
  - CWE-863
vendor: Ping Identity
product: PingFederate
affected:
  - PingFederate >= 13.0.0 <= 13.0.1
  - PingFederate >= 12.3.0 <= 12.3.5
  - PingFederate >= 12.2.0 <= 12.2.7
  - PingFederate >= 12.1.0 <= 12.1.10
  - PingFederate >= 12.0.0 <= 12.0.10
  - PingFederate >= 11.3.0 <= 11.3.14
published: '2026-09-14'
updated: '2026-09-18'
sourceUpdated: '2026-09-18T19:30:42.730'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-20773'
references:
  - url: >-
      https://support.pingidentity.com/s/article/SECADV054-Improper-Authorization-in-PingFederate-Administrative-Expression-Evaluation-Endpoint
    label: responsible-disclosure@pingidentity.com
tags:
  - nvd
  - cve.org
epss: 0.00207
epssPercentile: 0.09556
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-14T11:03:31.485097Z'
cvssSource: cna
ingestedAt: '2026-09-14T15:23:07.462Z'
---

## Overview

A role-based access control issue was identified in the administrative expression evaluation functionality. This could allow users with certain administrative roles to access expression testing capabilities beyond their intended permissions.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.