High severity7.5NVD Advisory· Published Oct 28, 2026· Updated Oct 28, 2026

CVE-2026-118686

Description

EspoCRM before 9.3.11 and 10.x before 10.0.8 contains a denial of service vulnerability in which the password-redaction regular expression applied during API error handling consumes excessive CPU on long request bodies. Unauthenticated remote attackers can concurrently send a small number of large API requests to exhaust server workers, making EspoCRM slow or unavailable to legitimate users.

Patches

Vulnerability mechanics

References

github.com/espocrm/espocrm/security/advisories/GHSA-6pjq-v35w-jmjhnvd
www.vulncheck.com/advisories/espocrm-before-9.3.11-and-10.0.8-unauthenticated-denial-of-service-via-password-redaction-regexnvd

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