CVE-2026-49299

{"id": "CVE-2026-49299", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-49299", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-29T14:04:25.651087Z"}}], "cvssMetricV40": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"repo": "https://opendev.org/openstack/neutron", "vendor": "OpenStack", "product": "Neutron", "versions": [{"status": "affected", "version": "26.0.0", "lessThan": "26.0.4", "versionType": "semver"}, {"status": "affected", "version": "27.0.0", "lessThan": "27.0.3", "versionType": "semver"}, {"status": "affected", "version": "28.0.0", "lessThan": "28.0.1", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-05-28T22:17:02.093", "references": [{"url": "https://bugs.launchpad.net/bugs/2150132", "source": "cve@mitre.org"}, {"url": "https://review.opendev.org/c/openstack/neutron/+/989099", "source": "cve@mitre.org"}, {"url": "https://www.openwall.com/lists/oss-security/2026/05/28/8", "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2026/06/02/7", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-863"}]}], "descriptions": [{"lang": "en", "value": "In OpenStack Neutron before 28.0.1, the tagging controller enforces plural policy action names on single-tag write operations while the defined policy rules use singular names. The mismatched names evaluate as allowed under the default policy, permitting a project reader to create and update tags on same-project resources. Deployments running Neutron 26.0.0 or later are affected."}, {"lang": "es", "value": "En OpenStack Neutron antes de 28.0.1, el controlador de etiquetado aplica nombres de acciones de pol\u00edtica en plural en operaciones de escritura de una sola etiqueta, mientras que las reglas de pol\u00edtica definidas usan nombres en singular. Los nombres no coincidentes se eval\u00faan como permitidos bajo la pol\u00edtica predeterminada, permitiendo a un lector de proyecto crear y actualizar etiquetas en recursos del mismo proyecto. Las implementaciones que ejecutan Neutron 26.0.0 o posterior se ven afectadas."}], "lastModified": "2026-07-21T10:10:00.103", "sourceIdentifier": "cve@mitre.org"}