CVE-2018-11766

HIGHNVD 8.8

8.8

In Apache Hadoop 2.7.4 to 2.7.6, the security fix for CVE-2016-6811 is incomplete. A user who can escalate to yarn user can possibly run arbitrary commands as root user.

CVSS v3: 8.8
EG Score: —
EPSS: 65.6%
KEV: Not listed

Published

November 27, 2018

Last Modified

November 21, 2024

References (4)

security@apachehttp://www.securityfocus.com/bid/106035
security@apachehttps://lists.apache.org/thread.html/ff37bbbe09d5f03090e2dd2c3dea95de16ef4249e731f19b8959ce4c%40%3Cgeneral.hadoop.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/106035
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/ff37bbbe09d5f03090e2dd2c3dea95de16ef4249e731f19b8959ce4c%40%3Cgeneral.hadoop.apache.org%3E

Affected Packages

(1 across 1 ecosystem)

Maven(1)

Package	Vulnerable range	Fixed in	Dependents
org.apache.hadoop:hadoop-main	2.7.4, 2.7.5, 2.7.6	2.7.7	—

Data Freshness Timeline

(refreshed 6× in last 7d / 6× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2018-11766?

CVE-2018-11766 is a high vulnerability published on November 27, 2018. In Apache Hadoop 2.7.4 to 2.7.6, the security fix for CVE-2016-6811 is incomplete. A user who can escalate to yarn user can possibly run arbitrary commands as root user.

When was CVE-2018-11766 disclosed?

CVE-2018-11766 was first published in the National Vulnerability Database on November 27, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-11766 actively exploited?

CVE-2018-11766 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 65.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-11766?

CVE-2018-11766 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2018-11766?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-11766, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-11766

Explore →

Is Your Infrastructure Affected by CVE-2018-11766?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2018-11766

📅 Published

🔄 Last Modified

🔗 References (4)