{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-100348", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-25T19:19:54.697Z", "datePublished": "2026-10-15T15:31:19.904Z", "dateUpdated": "2026-10-15T15:44:17.041Z"}, "containers": {"cna": {"title": "kin-openapi spec loader panics on a self-referential additionalProperties $ref (nil-pointer DoS)", "problemTypes": [{"descriptions": [{"cweId": "CWE-476", "lang": "en", "description": "CWE-476: NULL Pointer Dereference", "type": "CWE"}]}], "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"}}], "references": [{"name": "https://github.com/getkin/kin-openapi/security/advisories/GHSA-mh7x-f8wq-4jhx", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/getkin/kin-openapi/security/advisories/GHSA-mh7x-f8wq-4jhx"}, {"name": "https://github.com/getkin/kin-openapi/commit/88aa64c7cbd03ecadbb419c473bdcaa8b0124c6b", "tags": ["x_refsource_MISC"], "url": "https://github.com/getkin/kin-openapi/commit/88aa64c7cbd03ecadbb419c473bdcaa8b0124c6b"}, {"name": "https://github.com/getkin/kin-openapi/releases/tag/v0.145.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/getkin/kin-openapi/releases/tag/v0.145.0"}], "affected": [{"vendor": "getkin", "product": "kin-openapi", "versions": [{"version": "< 0.145.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-15T15:31:19.904Z"}, "descriptions": [{"lang": "en", "value": "kin-openapi is a Go project for handling OpenAPI files. Prior to 0.145.0, openapi3.Loader can dereference a nil SchemaRef.Value while resolving a self-referential additionalProperties JSON Reference such as a schema that points to its own additionalProperties member. Loading an attacker-controlled OpenAPI document through LoadFromData, LoadFromFile, or LoadFromURI reaches resolveComponent before document validation and can panic the loading process. Resolved additionalProperties schemas and ordinary recursive schemas do not take the vulnerable nil-value path. This issue is fixed in version 0.145.0."}], "source": {"advisory": "GHSA-mh7x-f8wq-4jhx", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-15T15:44:05.626471Z", "id": "CVE-2026-100348", "options": [{"Exploitation": "none"}, {"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": "2026-10-15T15:44:17.041Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-100348", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-15T15:44:05.626471Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T15:44:10.761Z"}}], "cna": {"title": "kin-openapi spec loader panics on a self-referential additionalProperties $ref (nil-pointer DoS)", "source": {"advisory": "GHSA-mh7x-f8wq-4jhx", "discovery": "UNKNOWN"}, "metrics": [{"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"}}], "affected": [{"vendor": "getkin", "product": "kin-openapi", "versions": [{"status": "affected", "version": "< 0.145.0"}]}], "references": [{"url": "https://github.com/getkin/kin-openapi/security/advisories/GHSA-mh7x-f8wq-4jhx", "name": "https://github.com/getkin/kin-openapi/security/advisories/GHSA-mh7x-f8wq-4jhx", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/getkin/kin-openapi/commit/88aa64c7cbd03ecadbb419c473bdcaa8b0124c6b", "name": "https://github.com/getkin/kin-openapi/commit/88aa64c7cbd03ecadbb419c473bdcaa8b0124c6b", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/getkin/kin-openapi/releases/tag/v0.145.0", "name": "https://github.com/getkin/kin-openapi/releases/tag/v0.145.0", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "kin-openapi is a Go project for handling OpenAPI files. Prior to 0.145.0, openapi3.Loader can dereference a nil SchemaRef.Value while resolving a self-referential additionalProperties JSON Reference such as a schema that points to its own additionalProperties member. Loading an attacker-controlled OpenAPI document through LoadFromData, LoadFromFile, or LoadFromURI reaches resolveComponent before document validation and can panic the loading process. Resolved additionalProperties schemas and ordinary recursive schemas do not take the vulnerable nil-value path. This issue is fixed in version 0.145.0."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-476", "description": "CWE-476: NULL Pointer Dereference"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-15T15:31:19.904Z"}}}, "cveMetadata": {"cveId": "CVE-2026-100348", "state": "PUBLISHED", "dateUpdated": "2026-10-15T15:44:17.041Z", "dateReserved": "2026-09-25T19:19:54.697Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-10-15T15:31:19.904Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "kin-openapi", "vendor": "getkin", "versions": [{"status": "affected", "version": "< 0.145.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "kin-openapi is a Go project for handling OpenAPI files. Prior to 0.145.0, openapi3.Loader can dereference a nil SchemaRef.Value while resolving a self-referential additionalProperties JSON Reference such as a schema that points to its own additionalProperties member. Loading an attacker-controlled OpenAPI document through LoadFromData, LoadFromFile, or LoadFromURI reaches resolveComponent before document validation and can panic the loading process. Resolved additionalProperties schemas and ordinary recursive schemas do not take the vulnerable nil-value path. This issue is fixed in version 0.145.0."}], "id": "CVE-2026-100348", "lastModified": "2026-10-15T16:17:30.607", "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": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-100348", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-15T15:44:05.626471Z", "version": "2.0.3"}}]}, "published": "2026-10-15T16:17:30.477", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/getkin/kin-openapi/commit/88aa64c7cbd03ecadbb419c473bdcaa8b0124c6b"}, {"source": "security-advisories@github.com", "url": "https://github.com/getkin/kin-openapi/releases/tag/v0.145.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/getkin/kin-openapi/security/advisories/GHSA-mh7x-f8wq-4jhx"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{"bugzilla": {"description": "github.com/getkin/kin-openapi: kin-openapi: Denial of Service via self-referential schema definitions", "id": "2553571", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2553571"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-476", "details": ["kin-openapi is a Go project for handling OpenAPI files. Prior to 0.145.0, openapi3.Loader can dereference a nil SchemaRef.Value while resolving a self-referential additionalProperties JSON Reference such as a schema that points to its own additionalProperties member. Loading an attacker-controlled OpenAPI document through LoadFromData, LoadFromFile, or LoadFromURI reaches resolveComponent before document validation and can panic the loading process. Resolved additionalProperties schemas and ordinary recursive schemas do not take the vulnerable nil-value path. This issue is fixed in version 0.145.0.", "A flaw was found in kin-openapi. A remote attacker could cause a Denial of Service (DoS) by providing a specially crafted OpenAPI document containing self-referential schema definitions. During parsing, an uninitialized reference causes the application to terminate unexpectedly prior to document validation."], "name": "CVE-2026-100348", "package_state": [{"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "go-fdo-server", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "grafana12.4", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "grafana13.1", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "grafana13.2", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "hugo", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-10-15T15:31:19Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-100348\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-100348\nhttps://github.com/getkin/kin-openapi/commit/88aa64c7cbd03ecadbb419c473bdcaa8b0124c6b\nhttps://github.com/getkin/kin-openapi/releases/tag/v0.145.0\nhttps://github.com/getkin/kin-openapi/security/advisories/GHSA-mh7x-f8wq-4jhx"], "threat_severity": "Moderate"}