# CVE-2026-90934

## Summary

- **CVE ID:** CVE-2026-90934
- **Severity:** HIGH
- **CVSS Score:** 8.7 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-863
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 14, 2026

## Description

EspoCRM before 10.0.4 contains a field-level security bypass vulnerability in the meeting and call attendees endpoints that allows authenticated users to read restricted email addresses. Attackers can recover hidden attendee emails by exploiting incorrect ACL scope validation that checks parent event permissions instead of attendee entity permissions.

## Affected Products

- espocrm — espocrm (0)
- espocrm — espocrm (10.0.4)

## References

- [CNA](https://github.com/espocrm/espocrm/security/advisories/GHSA-hpgx-8qg3-5w7v)
- [CNA](https://www.vulncheck.com/advisories/espocrm-before-10.0.4-field-level-security-bypass-via-attendees)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.18%
- **EPSS Percentile:** 8.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._