Description
This is an information disclosure vulnerability in Apache Hadoop before 2.6.4 and 2.7.x before 2.7.2 in the short-circuit reads feature of HDFS. A local user on an HDFS DataNode may be able to craft a block token that grants unauthorized read access to random files by guessing certain fields in the token.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apache Software Foundation | Apache Hadoop | 2.1.0 to 2.6.3, 2.7.0 to 2.7.1 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.apache.hadoop:hadoop-common | < 2.6.4 | 2.6.4 | GHSA-8r28-r8cp-g6cp |
| Maven | org.apache.hadoop:hadoop-common | >= 2.7.0, < 2.7.2 | 2.7.2 | GHSA-8r28-r8cp-g6cp |
Advisories 1
- WID-SEC-2026-2751 IBM InfoSphere Guardium: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 11, 2026