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Message-ID: <b346787c-81b4-984e-7e4c-96ad88772ab8@apache.org>
Date: Tue, 08 Sep 2026 20:49:03 +0000
From: Michael Smith <michaelsmith@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2026-56207: Apache Impala: SAML authentication bypass via
forged bearer token
Severity: critical
Affected versions:
- Apache Impala 4.0.0 through 4.5.1
Description:
Signature of Bearer token is not verified in last step of SAML2 authentication for Impala's hs2-http interface, allowing altering user name and acting as another user.
This issue affects Apache Impala: >=4.0.0.
Users are recommended to upgrade to version 4.5.2, which fixes this issue.
Credit:
Andrew Rukin (Arenadata) (reporter)
References:
https://impala.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-56207
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