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...

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

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...

CVE-2026-56207

Apache Impala (>= 4.0.0) contains an authentication bypass in the SAML2 flow on its hs2-http interface. The Bearer token signature is not verified in the final step of the SAML2 authentication process, allowing an attacker to alter the user name and impersonate another user. Users should upgra...