CVE-2026-56207

Source
https://cve.org/CVERecord?id=CVE-2026-56207
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-56207.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-56207
Published
2026-09-09T10:36:55Z
Modified
2026-09-12T03:46:44Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
Apache Impala: SAML authentication bypass via forged bearer token
Details

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.

Database specific
{
    "cna_assigner": "apache",
    "cwe_ids": [
        "CWE-347"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56207.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "4.0.0"
                },
                {
                    "last_affected": "4.5.1"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ]
}
References

Affected packages

Git / github.com/apache/impala

Affected ranges

Type
GIT
Repo
https://github.com/apache/impala
Events
Database specific
Show details
{
    "cpe": "cpe:2.3:a:apache:impala:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "4.0.0"
        },
        {
            "fixed": "4.5.2"
        }
    ],
    "source": "CPE_RANGE"
}

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-56207.json"