Vulnerability Details CVE-2026-56207
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 5.3%
CVSS Severity
CVSS v3 Score 9.8
References