cbcvebase.
CVE-2026-56207
published 2026-09-09

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…

PriorityP358critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.46%
40.0th percentile
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.

Affected

2 ranges
VendorProductVersion rangeFixed in
apacheimpala>= 4.0.0 < 4.5.24.5.2
apache_software_foundationapache_impala4.0.0 – 4.5.1—
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