CVE-2025-5552: ChestnutCMS API Endpoint exec deserialization

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-06-04 · updated 2026-06-17
Weakness: CWE-20

Description

A vulnerability was found in ChestnutCMS up to 15.1. It has been declared as critical. This vulnerability affects unknown code of the file /dev-api/groovy/exec of the component API Endpoint. The manipulation leads to deserialization. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected products

ChestnutCMS: all versions

References

https://github.com/byxs0x0/cve/issues/7
https://vuldb.com/?ctiid.311002
https://vuldb.com/?id.311002
https://vuldb.com/?submit.587199

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