CVE-2026-56207 — Apache Impala: SAML authentication bypass via forged bearer token

CVE-2026-56207

Apache Impala: SAML authentication bypass via forged bearer token PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
Apache Software Foundation / Apache Impala	affected 4.0.0 through 4.5.1

CWE

CWE-347

References

https://lists.apache.org/thread/20cov78py0zqzx7dyq39ktythkwn91zs

ADP enrichment

CVE

No English description supplied.

http://www.openwall.com/lists/oss-security/2026/09/08/22

CISA-ADP

No English description supplied.

No references supplied.