Critical [CVE-2026-56207] Apache Impala: 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 critical-severity Apache Software Foundation advisory covers CVE-2026-56207 affecting Apache Impala.
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Summary
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.
- 4.0.0
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Users are recommended to upgrade to version 4.5.2, which fixes this issue.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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