EUVD-2026-74800
GHSA-fgj6-96xv-8x24
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Network-reachable SQL interface; low privilege (table-create rights); scope change as code runs under Impala service account affecting broader cluster.
Primary rating from Vendor (CNA).
CVSS VectorVendor
Lifecycle Timeline
2Description PRE-NVD
Articles & Coverage 1
AnalysisAI
Remote code execution in Apache Impala 2.7.0 through 4.5.1 allows an authorized user with table-creation and remote-storage upload privileges to load and execute arbitrary Java classes on Impala daemon nodes by exploiting insufficient authorization controls over External Data Source tables. The vulnerability abuses Impala's legitimate extensibility feature - Data Source tables - which permits custom Java class loading from remote storage; insufficient authorization checks mean any user holding those two combined privileges can weaponize the feature for server-side code execution. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Two specific privileges must be held simultaneously: (1) write access to a remote storage location (HDFS path, S3 bucket, or equivalent) that is accessible by the Impala cluster daemons, and (2) the Impala authorization privilege to CREATE a table with DATA SOURCE syntax - a privilege that is legitimately granted to data engineers and analysts in typical deployments. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The severity is classified as 'important' by Apache, consistent with an authenticated but exploitable RCE path. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Vendor-released patch: Apache Impala 4.5.2. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Apache Impala deployments and identify systems running versions 2.7.0 through 4.5.1; immediately audit and restrict table-creation and remote-storage upload privileges to trusted users only. …
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External POC / Exploit Code
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