CVE-2026-41141 EspoCRM: IDOR in EmailTemplate Prepare Endpoint Leaks Entity Data via Email Address Lookup
Authenticated users can bypass ACL restrictions to read sensitive entity data in EspoCRM by exploiting an IDOR vulnerability in the email template preparation endpoint.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-41141?
CVE-2026-41141 is a medium-severity missing authorization vulnerability in espocrm, published on 28 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
EspoCRM is an open source customer relationship management application. Prior to 9.3.5, the POST /api/v1/EmailTemplate/:id/prepare endpoint accepts an emailAddress parameter and resolves the owning entity (Contact, Lead, Account, or User) without performing an ACL check. An authenticated user with EmailTemplate read permission can extract all field values of any entity by supplying the target's email address, bypassing read: own or read: team ACL restrictions. This vulnerability is fixed in 9.3.5.
Weakness: CWE-639
Which versions are affected by CVE-2026-41141?
How do I fix CVE-2026-41141?
No fix has been published for CVE-2026-41141 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-41141 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-41141 exists.
Sources
Also known as GHSA-vvmh-mf4h-96hw.