Known Exploited Vulnerability

CVE-2018-1000861

Jenkins Stapler Web Framework Deserialization of Untrusted Data Vulnerability

Past federal due date 87 public exploits Added 10 Feb 2022 Due 10 Aug 2022 · 1453 days ago
VendorJenkins
ProductJenkins Stapler Web Framework
WeaknessCWE-502
RansomwareNone confirmed

What the flaw is

A code execution vulnerability exists in the Stapler web framework used by Jenkins

Description as published by CISA. We have not independently reproduced it.

What CISA requires

Apply updates per vendor instructions.

This deadline is binding on US federal civilian agencies under BOD 22-01. It is not a legal deadline for anyone else, but it is a useful urgency signal — CISA sets it by how actively the flaw is being used, not by CVSS.

Public exploit code

87 public repositories referencing this CVE have been catalogued on GitHub. That volume usually means a reliable, widely-reproduced exploit. Treat this as a strong signal to prioritise patching, not as a verified working exploit — many such repositories are scanners, write-ups or forks rather than functional code.

Showing 8 of 87. Full list in the trickest/cve dataset.

Vendor advisories

Primary sources

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Source: CISA KEV catalog · last verified July 31, 2026. Rebuilt automatically twice a day.