Jenkins Stapler Web Framework Deserialization of Untrusted Data Vulnerability (CVE-2018-1000861)
Severity: critical · Patch status: patched · Since 2022-02-10 · CVE-2018-1000861
A code execution vulnerability exists in the Stapler web framework used by Jenkins. CISA added CVE-2018-1000861 to its Known Exploited Vulnerabilities catalog on Feb 10, 2022, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Aug 10, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch