CVE-2026-57866: Apache Impala: Secrets Exfiltration via SSRF

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-09 · updated 2026-09-10
Weakness: CWE-918

Description

Server side request forgery in Apache Impala versions 4.4.x and 4.5.x. Authenticated Impala users with permissions to execute the ai_generate_text() function can exfiltrate secrets provided by the credential providers configured in the `hadoop.security.credential.provider.path` property of `core-site.xml`. The secret's key must be known to the user.

Affected products

Apache Software Foundation Apache Impala: from 4.4.0 through 4.5.2

References

https://lists.apache.org/thread/nnk4660cbs6dmmkch7ch7wwb3g9myw7j
http://www.openwall.com/lists/oss-security/2026/09/08/23

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