CVE-2026-115731 – Report Deserialization Code Execution

​CVE ID :CVE-2026-115731

Published : Nov. 3, 2026, 8:40 p.m. | 33 minutes ago

Description :Deserialization of untrusted data in the report-processing code of Puppet, as used by Puppet Server, in the affected releases, allows a client that holds any CA-signed agent certificate to execute arbitrary code on the Puppet Server as its service user by submitting a report containing a crafted rich-data type via PUT request. Where the certificate authority autosigns requests without strong verification, an unauthenticated network attacker can obtain such a certificate.

Severity: 9.4 | CRITICAL

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