{"cve":"CVE-2026-43002","nvd":{"published":"2026-05-05T17:17:04.920","modified":"2026-09-10T21:22:48.593","status":"Analyzed","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3},"cwes":["CWE-696"],"references":["https://bugs.launchpad.net/horizon/+bug/2150331","https://security.openstack.org/ossa/OSSA-2026-009.html","https://www.openwall.com/lists/oss-security/2026/05/05/7","https://bugs.launchpad.net/horizon/+bug/2150331"],"products":["openstack:horizon"],"source":"nvd","synced_at":"2026-10-19T22:33:55.586217763+00:00"},"epss":{"cve":"CVE-2026-43002","score":0.0036,"percentile":0.29772,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-vxvf-xvm3-p8j5","url":"https://osv.dev/vulnerability/GHSA-vxvf-xvm3-p8j5","summary":"OpenStack Horizon has Incorrect Behavior Order","modified":"2026-07-13T16:43:40.390173645Z","packages":[{"ecosystem":"PyPI","name":"horizon","purl":"pkg:pypi/horizon","ranges":[">=25.6 <25.7.3"],"fixed":["25.7.3"]}]},{"id":"PYSEC-2026-2520","url":"https://osv.dev/vulnerability/PYSEC-2026-2520","summary":"OpenStack Horizon has Incorrect Behavior Order","modified":"2026-07-13T16:31:57.272245536Z","packages":[{"ecosystem":"PyPI","name":"horizon","purl":"pkg:pypi/horizon","ranges":[">=25.6 <25.7.3"],"fixed":["25.7.3"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}