CVE-2026-56207: apache impala

CVSS 9.8 (critical) · published 2026-09-09

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 products (NVD): apache impala

Fixed in (NVD): 4.5.2

Weakness: CWE-347

Source: NVD CVE-2026-56207

References

• https://lists.apache.org/thread/20cov78py0zqzx7dyq39ktythkwn91zs
• http://www.openwall.com/lists/oss-security/2026/09/08/22

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