CVE-2026-56207EPSS p38.1%
CVE-2026-56207CVE-2026-56207
apache / impala
Description
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.
Scoring
| CVSS | 9.8 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 0.46% probability of exploitation · percentile 38.1% · 2026-10-05T12:00:23Z |
| Last modified | 2026-09-10 |