Vulnerability in Espocrm

CVE-2026-92298

EspoCRM through 10.0.8 uses PHP's rand() function to generate tokens for lead-capture opt-in, event invitation, and campaign URLs instead of a cryptographically secure generator. Remote unauthenticated attackers can guess these roughly 31-bit tokens to confirm opt-ins, accept or decline event invitations on behalf of other contacts, and access event details.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-92298?
CVE-2026-92298 is a medium-severity vulnerability in Espocrm, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 4.8/10. Published 2026-09-16.
How severe is CVE-2026-92298?
Medium severity. CVSS v3 base score is 4.8 out of 10.