{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-59298", "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "state": "PUBLISHED", "assignerShortName": "vmware", "dateReserved": "2026-07-04T18:13:34.323Z", "datePublished": "2026-08-27T17:57:55.073Z", "dateUpdated": "2026-08-27T17:57:55.073Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "shortName": "vmware", "dateUpdated": "2026-08-27T17:57:55.073Z"}, "title": "Potential for improper filtering of HTTP headers in Spring Cloud Function", "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-20 Improper Input Validation", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "Potential for improper filtering of HTTP headers in Spring Cloud Function."}]}], "affected": [{"vendor": "Spring", "product": "Spring Cloud Function", "versions": [{"status": "affected", "version": "5.0.0", "lessThanOrEqual": "5.0.3", "versionType": "custom"}, {"status": "affected", "version": "4.3.0", "lessThanOrEqual": "4.3.4", "versionType": "custom"}, {"status": "affected", "version": "4.2.0", "lessThanOrEqual": "4.2.7", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThanOrEqual": "3.2.16", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Potential for improper filtering of HTTP headers in Spring Cloud Function.\nSpring Cloud Function 5.0.0 - 5.0.3\nSpring Cloud Function 4.3.0 - 4.3.4\nSpring Cloud Function 4.2.0 - 4.2.7\nSpring Cloud Function 3.2.16 and earlier", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Potential for improper filtering of HTTP headers in Spring Cloud Function.</p><p>Spring Cloud Function 5.0.0 - 5.0.3<br/>Spring Cloud Function 4.3.0 - 4.3.4<br/>Spring Cloud Function 4.2.0 - 4.2.7<br/>Spring Cloud Function 3.2.16 and earlier</p>"}]}], "references": [{"url": "https://spring.io/security/cve-2026-59298"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N", "baseScore": 3.1, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}}], "source": {"discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Spring Cloud Function", "vendor": "Spring", "versions": [{"lessThanOrEqual": "5.0.3", "status": "affected", "version": "5.0.0", "versionType": "custom"}, {"lessThanOrEqual": "4.3.4", "status": "affected", "version": "4.3.0", "versionType": "custom"}, {"lessThanOrEqual": "4.2.7", "status": "affected", "version": "4.2.0", "versionType": "custom"}, {"lessThanOrEqual": "3.2.16", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "security@vmware.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Potential for improper filtering of HTTP headers in Spring Cloud Function.\nSpring Cloud Function 5.0.0 - 5.0.3\nSpring Cloud Function 4.3.0 - 4.3.4\nSpring Cloud Function 4.2.0 - 4.2.7\nSpring Cloud Function 3.2.16 and earlier"}], "id": "CVE-2026-59298", "lastModified": "2026-08-28T18:47:30.163", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 0.5, "impactScore": 2.5, "source": "security@vmware.com", "type": "Secondary"}]}, "published": "2026-08-27T20:17:56.060", "references": [{"source": "security@vmware.com", "url": "https://spring.io/security/cve-2026-59298"}], "sourceIdentifier": "security@vmware.com", "vulnStatus": "Awaiting Analysis"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.0.0,5.0.3]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.3.0,4.3.4]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.2.0,4.2.7]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,3.2.16]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Spring Cloud Function", "source": "cna", "vendor": "Spring"}, "product": "spring_cloud_function", "vendor": "spring"}], "created": "2026-08-28T06:30:18.146778+00:00", "updated": "2026-08-28T08:45:17.333195+00:00", "vendors": ["spring", "spring$PRODUCT$spring_cloud_function"], "weaknesses": ["CWE-113", "CWE-20"]}