{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-100350", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-25T19:19:54.697Z", "datePublished": "2026-10-15T15:37:19.077Z", "dateUpdated": "2026-10-15T18:32:57.402Z"}, "containers": {"cna": {"title": "kin-openapi deepObject query decoding repeatedly compiles an invariant regular expression", "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "lang": "en", "description": "CWE-400: Uncontrolled Resource Consumption", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-770", "lang": "en", "description": "CWE-770: Allocation of Resources Without Limits or Throttling", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-1050", "lang": "en", "description": "CWE-1050: Excessive Platform Resource Consumption within a Loop", "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-h4r5-mxv5-8mjc", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/getkin/kin-openapi/security/advisories/GHSA-h4r5-mxv5-8mjc"}, {"name": "https://github.com/getkin/kin-openapi/commit/d090e36b2f1c42c898ba2a687a8f6e25f5ca727f", "tags": ["x_refsource_MISC"], "url": "https://github.com/getkin/kin-openapi/commit/d090e36b2f1c42c898ba2a687a8f6e25f5ca727f"}, {"name": "https://github.com/getkin/kin-openapi/releases/tag/v0.146.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/getkin/kin-openapi/releases/tag/v0.146.0"}], "affected": [{"vendor": "getkin", "product": "kin-openapi", "versions": [{"version": ">= 0.145.0, < 0.146.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-15T15:37:19.077Z"}, "descriptions": [{"lang": "en", "value": "kin-openapi is a Go project for handling OpenAPI files. From 0.145.0 until 0.146.0, openapi3filter repeatedly calls regexp.MustCompile for the same parameter-name regular expression inside the per-query-key loop in urlValuesDecoder.DecodeObject used to decode a deepObject query parameter. An unauthenticated remote client can send an affected endpoint a request containing many unrelated query keys, causing ValidateRequest to perform work and allocations proportional to the attacker-controlled key count for every deepObject parameter. The expression itself is fixed and this is not regular expression denial of service; the resource consumption comes from loop-invariant recompilation. This issue is fixed in version 0.146.0."}], "source": {"advisory": "GHSA-h4r5-mxv5-8mjc", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/getkin/kin-openapi/security/advisories/GHSA-h4r5-mxv5-8mjc", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-15T18:32:09.281614Z", "id": "CVE-2026-100350", "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": "2026-10-15T18:32:57.402Z"}}]}}

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{"bugzilla": {"description": "github.com/getkin/kin-openapi: kin-openapi: Denial of Service via redundant regular expression compilation in query parameter decoding", "id": "2553584", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2553584"}, "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-770", "details": ["A flaw was found in kin-openapi. An unauthenticated remote attacker can trigger a Denial of Service (DoS) by sending requests containing a large number of query parameters to an affected endpoint. Due to redundant regular expression compilation within the parameter decoding loop, processing these requests leads to excessive CPU and memory consumption, potentially degrading application responsiveness or exhausting server resources."], "name": "CVE-2026-100350", "package_state": [{"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "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": "2026-10-15T15:37:19Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-100350\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-100350\nhttps://github.com/getkin/kin-openapi/commit/d090e36b2f1c42c898ba2a687a8f6e25f5ca727f\nhttps://github.com/getkin/kin-openapi/releases/tag/v0.146.0\nhttps://github.com/getkin/kin-openapi/security/advisories/GHSA-h4r5-mxv5-8mjc"], "threat_severity": "Moderate"}