CVE-2026-109959CWE-200information-disclosure

CVE-2026-109959

Medium · published October 13, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
12.2
In the wild
Unconfirmed
What it is

EspoCRM 4.0.0 before 10.0.7 contains an access control vulnerability that allows authenticated users to read audited field values restricted by field-level security by fetching individual stream notes. Users with stream access to a parent record can request GET /Note/{id}, which skips the NoteAccessControl filter, and recover data.attributes.was and became values of restricted fields.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00223 · 12.2th percentile
Weakness
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
Published
2026-10-13T18:17Z
References (2)
https://github.com/espocrm/espocrm/security/advisories/GHSA-mr36-xx82-qf6h · [email protected]https://www.vulncheck.com/advisories/espocrm-4.0.0-before-10.0.7-field-level-security-bypass-via-note-read-endpoint · [email protected]
EPSS history
Timeline
  • 15 OCT 03:28Z
    EPSS moved — → 0%
    epss
  • 13 OCT 13:27Z
    EspoCRM 4.0.0 before 10.0.7 Field-Level Security Bypass via Note Read Endpoint
    cvelistv5
  • 13 OCT 13:27Z
    EspoCRM 4.0.0 before 10.0.7 Field-Level Security Bypass via Note Read Endpoint
    cvelistv5