CVE-2026-43002

An issue was discovered in OpenStack Horizon 25.6 and 25.7 before 25.7.3. There is a write operation to the session storage backend before authentication and thus storage can be exhausted by unauthenticated requests. This is a regression of the CVE-2014-8124 fix.

Database specific

{
    "cna_assigner": "mitre",
    "cwe_ids": [
        "CWE-696"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43002.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "25.6.0"
                },
                {
                    "fixed": "25.7.3"
                }
            ],
            "source": "AFFECTED_FIELD"
        },
        {
            "extracted_events": [
                {
                    "introduced": "25.6.0"
                },
                {
                    "fixed": "25.7.3"
                }
            ],
            "source": "CPE_FIELD"
        },
        {
            "extracted_events": [
                {
                    "introduced": "25.7"
                },
                {
                    "fixed": "25.7.3"
                }
            ],
            "source": "DESCRIPTION"
        }
    ]
}

References

Affected packages

Git / github.com/openstack/horizon

Affected ranges

Type

GIT

Repo

https://github.com/openstack/horizon

Events

Introduced

d95f224756f5060ec3244d6f346d5d710116f482

Fixed

0a4439556517cf67be0aa949b6551a14e409af75

Database specific

Show details

{
    "cpe": "cpe:2.3:a:openstack:horizon:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "25.6.0"
        },
        {
            "fixed": "25.7.3"
        }
    ],
    "source": "CPE_RANGE"
}

Affected versions

25.*

25.6.0

25.7.0

25.7.1

25.7.2

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43002.json"