CVE-2026-47168 EspoCRM: Authenticated RCE via Unsafe PHP Object Deserialization in MassAction/Export params
An authenticated administrator can achieve remote code execution by supplying crafted serialized PHP objects in MassAction or Export parameters.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-47168?
CVE-2026-47168 is a critical unsafe deserialization vulnerability in espocrm, published on 15 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
EspoCRM is an open source customer relationship management application. Prior to 9.3.7, an authenticated administrator can supply crafted serialized PHP object data that is stored in background MassAction or Export parameters and later deserialized by the application. The deserialization paths do not restrict allowed classes, allowing attacker-controlled object instantiation and arbitrary code execution on the server. This issue is fixed in version 9.3.7.
Weakness: CWE-502
Which versions are affected by CVE-2026-47168?
How do I fix CVE-2026-47168?
No fix has been published for CVE-2026-47168 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-47168 being exploited?
There is no known exploitation of CVE-2026-47168 in the wild and no public exploit code.
Sources
Also known as GHSA-7q78-jjr9-mqcg.