ACTIVELY EXPLOITED

CVE-2017-1000353: Jenkins Remote Code Execution Vulnerability

Facts
VendorJenkins
ProductJenkins
Actively exploitedYes
Added to CISA KEV2 Oct 2025
CISA federal deadline23 Oct 2025

Required action (CISA's text)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Description (NVD)

Jenkins contains a remote code execution vulnerability. This vulnerability that could allowed attackers to transfer a serialized Java SignedObject object to the remoting-based Jenkins CLI, that would be deserialized using a new ObjectInputStream, bypassing the existing blocklist-based protection mechanism.

SOURCES

Other Jenkins flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.