{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-30226", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-04T17:23:59.797Z", "datePublished": "2026-03-11T17:47:40.016Z", "dateUpdated": "2026-03-12T13:51:34.208Z"}, "containers": {"cna": {"title": "devalue has prototype pollution in devalue.parse and devalue.unflatten", "problemTypes": [{"descriptions": [{"cweId": "CWE-1321", "lang": "en", "description": "CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/sveltejs/devalue/security/advisories/GHSA-cfw5-2vxh-hr84", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/sveltejs/devalue/security/advisories/GHSA-cfw5-2vxh-hr84"}], "affected": [{"vendor": "sveltejs", "product": "devalue", "versions": [{"version": "< 5.6.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-11T17:47:40.016Z"}, "descriptions": [{"lang": "en", "value": "Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. In devalue v5.6.3 and earlier, devalue.parse and devalue.unflatten were susceptible to prototype pollution via maliciously crafted payloads. Successful exploitation could lead to Denial of Service (DoS) or type confusion. This vulnerability is fixed in 5.6.4."}], "source": {"advisory": "GHSA-cfw5-2vxh-hr84", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-12T13:51:27.760058Z", "id": "CVE-2026-30226", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2026-03-12T13:51:34.208Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-30226", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-03-12T13:51:27.760058Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-12T13:51:30.426Z"}}], "cna": {"title": "devalue has prototype pollution in devalue.parse and devalue.unflatten", "source": {"advisory": "GHSA-cfw5-2vxh-hr84", "discovery": "UNKNOWN"}, "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 6.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "userInteraction": "NONE", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE"}}], "affected": [{"vendor": "sveltejs", "product": "devalue", "versions": [{"status": "affected", "version": "< 5.6.4"}]}], "references": [{"url": "https://github.com/sveltejs/devalue/security/advisories/GHSA-cfw5-2vxh-hr84", "name": "https://github.com/sveltejs/devalue/security/advisories/GHSA-cfw5-2vxh-hr84", "tags": ["x_refsource_CONFIRM"]}], "descriptions": [{"lang": "en", "value": "Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. In devalue v5.6.3 and earlier, devalue.parse and devalue.unflatten were susceptible to prototype pollution via maliciously crafted payloads. Successful exploitation could lead to Denial of Service (DoS) or type confusion. This vulnerability is fixed in 5.6.4."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-1321", "description": "CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-11T17:47:40.016Z"}}}, "cveMetadata": {"cveId": "CVE-2026-30226", "state": "PUBLISHED", "dateUpdated": "2026-03-12T13:51:34.208Z", "dateReserved": "2026-03-04T17:23:59.797Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-03-11T17:47:40.016Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:svelte:devalue:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "7B79C1C5-18D6-46E6-B142-6344E236D7B9", "versionEndExcluding": "5.6.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. In devalue v5.6.3 and earlier, devalue.parse and devalue.unflatten were susceptible to prototype pollution via maliciously crafted payloads. Successful exploitation could lead to Denial of Service (DoS) or type confusion. This vulnerability is fixed in 5.6.4."}, {"lang": "es", "value": "Svelte devalue es una biblioteca JavaScript que serializa valores en cadenas cuando JSON.stringify no es suficiente para la tarea. En devalue v5.6.3 y anteriores, devalue.parse y devalue.unflatten eran susceptibles a la contaminaci\u00f3n de prototipos a trav\u00e9s de cargas \u00fatiles creadas maliciosamente. La explotaci\u00f3n exitosa podr\u00eda conducir a denegaci\u00f3n de servicio (DoS) o confusi\u00f3n de tipos. Esta vulnerabilidad est\u00e1 corregida en 5.6.4."}], "id": "CVE-2026-30226", "lastModified": "2026-03-17T19:07:28.660", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "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:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "[email protected]", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-03-11T18:16:22.937", "references": [{"source": "[email protected]", "tags": ["Vendor Advisory"], "url": "https://github.com/sveltejs/devalue/security/advisories/GHSA-cfw5-2vxh-hr84"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1321"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "devalue: Devalue: Denial of Service or type confusion via prototype pollution", "id": "2446675", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2446675"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-843", "details": ["A flaw was found in the Svelte devalue JavaScript library. A remote attacker could exploit a prototype pollution vulnerability by sending maliciously crafted payloads to the devalue.parse or devalue.unflatten functions. Successful exploitation of this flaw could lead to a Denial of Service (DoS) condition, making the affected system unavailable, or result in type confusion, which could have further unpredictable impacts."], "name": "CVE-2026-30226", "package_state": [{"cpe": "cpe:/a:redhat:podman_desktop:0", "fix_state": "Not affected", "package_name": "rhdesktop/rh-podman-desktop-ext-bootc-rhel10", "product_name": "Red Hat Build of Podman Desktop - Tech Preview"}, {"cpe": "cpe:/a:redhat:trusted_artifact_signer:1", "fix_state": "Not affected", "package_name": "rhtas/rekor-search-ui-rhel9", "product_name": "Red Hat Trusted Artifact Signer"}], "public_date": "2026-03-11T17:47:40Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-30226\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-30226\nhttps://github.com/sveltejs/devalue/security/advisories/GHSA-cfw5-2vxh-hr84"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,5.6.4)"}}], "enrichment": {"confidence": 93.0, "confidence_source": "matching", "scores": [{"score": 93.0, "source": "matching"}]}, "original": {"product": "devalue", "source": "cna", "vendor": "sveltejs"}, "product": "devalue", "vendor": "svelte"}], "created": "2026-03-12T09:57:32.918588+00:00", "updated": "2026-03-12T09:57:32.918663+00:00", "vendors": ["svelte", "svelte$PRODUCT$devalue"]}