CVE-2026-56207Apache Impala: SAML authentication bypass via forged bearer token
Updated under an hour ago ()
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It affects Apache Software Foundation Apache Impala and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
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.
- CVSS
- 9.8 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-347
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- apache
- NVD analysis
- Analyzed
- Record last updated
- Sep 10, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Apache Software Foundation Apache Impala apache_software_foundation:apache_impala (from the name) | from 4.0.0 through 4.5.1 | CNA record |
apache impala apache:impala | from 4.0.0 before 4.5.2 | NVD |
References
- https://lists.apache.org/thread/20cov78py0zqzx7dyq39ktythkwn91zsvendor-advisory, mailing-list
- http://www.openwall.com/lists/oss-security/2026/09/08/22mailing-list, third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.