{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-43002", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-05-05T17:26:59.504Z", "dateReserved": "2026-05-01T00:00:00.000Z", "datePublished": "2026-05-05T00:00:00.000Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Horizon", "vendor": "OpenStack", "versions": [{"lessThan": "25.7.3", "status": "affected", "version": "25.6.0", "versionType": "semver"}]}], "descriptions": [{"lang": "en", "value": "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."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-696", "description": "CWE-696 Incorrect Behavior Order", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-05-05T16:35:30.978Z"}, "references": [{"url": "https://bugs.launchpad.net/horizon/+bug/2150331"}, {"url": "https://www.openwall.com/lists/oss-security/2026/05/05/7"}], "x_generator": {"engine": "enrichogram 0.0.1"}, "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:openstack:horizon:*:*:*:*:*:*:*:*", "versionStartIncluding": "25.6.0", "versionEndExcluding": "25.7.3"}]}]}]}, "adp": [{"references": [{"url": "https://bugs.launchpad.net/horizon/+bug/2150331", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-05T17:26:54.895377Z", "id": "CVE-2026-43002", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-05T17:26:59.504Z"}}]}, "dataVersion": "5.2"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-43002", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-05T17:26:54.895377Z"}}}], "references": [{"url": "https://bugs.launchpad.net/horizon/+bug/2150331", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-05T17:26:49.397Z"}}], "cna": {"metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "OpenStack", "product": "Horizon", "versions": [{"status": "affected", "version": "25.6.0", "lessThan": "25.7.3", "versionType": "semver"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://bugs.launchpad.net/horizon/+bug/2150331"}, {"url": "https://www.openwall.com/lists/oss-security/2026/05/05/7"}], "x_generator": {"engine": "enrichogram 0.0.1"}, "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-696", "description": "CWE-696 Incorrect Behavior Order"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:openstack:horizon:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "25.7.3", "versionStartIncluding": "25.6.0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-05-05T16:35:30.978Z"}}}, "cveMetadata": {"cveId": "CVE-2026-43002", "state": "PUBLISHED", "dateUpdated": "2026-05-05T17:26:59.504Z", "dateReserved": "2026-05-01T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2026-05-05T00:00:00.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-43002", "lastModified": "2026-05-05T18:16:02.737", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-05-05T17:17:04.920", "references": [{"source": "cve@mitre.org", "url": "https://bugs.launchpad.net/horizon/+bug/2150331"}, {"source": "cve@mitre.org", "url": "https://www.openwall.com/lists/oss-security/2026/05/05/7"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://bugs.launchpad.net/horizon/+bug/2150331"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-696"}], "source": "cve@mitre.org", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[25.6.0,25.7.3)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Horizon", "source": "cna", "vendor": "OpenStack"}, "product": "horizon", "vendor": "openstack"}], "created": "2026-05-05T18:30:29.596908+00:00", "title": "OpenStack Horizon Session Storage Exhaustion Vulnerability", "updated": "2026-05-05T19:00:12.636161+00:00", "vendors": ["openstack", "openstack$PRODUCT$horizon"]}