CVE-2026-43002_CVE-2026-43002

5.3 / 10

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Description

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.

Basic Information

ID CVE-2026-43002

Source mitre

Published May 5, 2026 at 00:00

Modified May 5, 2026 at 16:35

Affected Product

Vendor OpenStack

Product Horizon

Version 25.6.0

Affected Versions OpenStack Horizon 25.6.0

CWE Classification

CWE-696

References

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    "lastseen": "",
    "description": "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.",
    "published": "2026-05-05T00:00:00.000Z",
    "modified": "2026-05-05T16:35:30.978Z",
    "type": "cve",
    "title": "CVE-2026-43002",
    "source": "mitre",
    "references": "https://bugs.launchpad.net/horizon/+bug/2150331\nhttps://www.openwall.com/lists/oss-security/2026/05/05/7",
    "id": "CVE-2026-43002",
    "bulletinFamily": "",
    "cwe": [
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    "cvelist": null,
    "sourceData": "OpenStack Horizon 25.6.0",
    "sourceHref": "",
    "cvss": {
        "score": 5.3,
        "severity": "MEDIUM",
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        "version": "3.1"
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    "cvss2": [],
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        "availabilityImpact": "",
        "cvssV3": {
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    "href": "",
    "category_name": "CVE",
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    "product": "Horizon",
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}