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CVE-2026-109958

4.3 · MEDIUM

EspoCRM 4.0.0 before 10.0.7 contains an improper access control vulnerability that allows authenticated users to read restricted emailAddress values via the address-book search API.

Published Oct 13, 2026CWE-200EPSS 0.22%

Overview

CVE-2026-109958 is a medium-severity vulnerability. It was published on October 13, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

EspoCRM 4.0.0 before 10.0.7 contains an improper access control vulnerability that allows authenticated users to read restricted emailAddress values via the address-book search API. Users with record access can query address-book search to obtain email addresses even when Roles restrict the emailAddress field.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/espocrm/espocrm/security/advisories/GHSA-2cr7-9g4f-8723Refwww.vulncheck.com/advisories/espocrm-4.0.0-before-10.0.7-field-level-access-bypass-via-address-book-search

How CyberStrike helps

Frequently asked questions

What is CVE-2026-109958?

CVE-2026-109958 is a medium-severity vulnerability. It was published on October 13, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-109958?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-109958?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-109958?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-109958 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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