CVE-2026-46708 EspoCRM: Target list Opt-Out actions allows opting out record without access Target List and access to record

Medium 4.3 Published Updated

A low-privileged user can modify the opt-out status of protected contacts or leads they cannot otherwise access, bypassing record-level authorization checks.

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-2026-46708?

CVE-2026-46708 is a medium-severity missing authorization vulnerability in espocrm, published on 15 Oct 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 9.3.7, a low-privileged user who can access a shared TargetList can invoke opt-out or cancel-opt-out actions for a protected Contact or Lead that the user cannot read or edit. The service validates access to the target list but retrieves the target record without the required record authorization, allowing unauthorized changes to its opted_out relationship state. This issue is fixed in version 9.3.7.

Weakness: CWE-862, CWE-639

Which versions are affected by CVE-2026-46708?

How do I fix CVE-2026-46708?

No fix has been published for CVE-2026-46708 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-2026-46708 being exploited?

There is no known exploitation of CVE-2026-46708 in the wild and no public exploit code.

Sources

Also known as GHSA-mqp6-23xq-7q3r.

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