{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-39998", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-04-08T02:34:21.516Z", "datePublished": "2026-06-19T13:04:39.608Z", "dateUpdated": "2026-06-22T16:16:29.535Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Apache APISIX", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "3.16.0", "status": "affected", "version": "2.12.0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "reporter", "value": "Fernando Mecozzi"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Improper Input Validation vulnerability in Apache APISIX.</p>The attacker can take advantage of certain configuration in forward-auth plugin to spoof identity headers.<br><p>This issue affects Apache APISIX: from 2.12.0 through 3.16.0.</p><p>Users are recommended to upgrade to version 3.17.0, which fixes the issue.</p>"}], "value": "Improper Input Validation vulnerability in Apache APISIX.\n\nThe attacker can take advantage of certain configuration in forward-auth plugin to spoof identity headers.\nThis issue affects Apache APISIX: from 2.12.0 through 3.16.0.\n\nUsers are recommended to upgrade to version 3.17.0, which fixes the issue."}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "baseScore": 5.8, "baseSeverity": "MEDIUM", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-20", "description": "CWE-20 Improper Input Validation", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-06-19T13:05:22.390Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://lists.apache.org/thread/vgkvy396010d7g6m0jrn4d3hjf2svlvv"}], "source": {"discovery": "UNKNOWN"}, "title": "Apache APISIX: Identity Injection via forward-auth Plugin Missing Header Cleanup", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/06/19/4"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-06-19T16:49:45.794Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-22T16:16:18.557213Z", "id": "CVE-2026-39998", "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": "2026-06-22T16:16:29.535Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-39998", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-22T16:16:18.557213Z"}}}], "providerMetadata": {"shortName": "CISA-ADP", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "dateUpdated": "2026-06-22T16:16:24.996Z"}}], "cna": {"title": "Apache APISIX: Identity Injection via forward-auth Plugin Missing Header Cleanup", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "reporter", "value": "Fernando Mecozzi"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.8, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "subIntegrityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Apache Software Foundation", "product": "Apache APISIX", "versions": [{"status": "affected", "version": "2.12.0", "versionType": "semver", "lessThanOrEqual": "3.16.0"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://lists.apache.org/thread/vgkvy396010d7g6m0jrn4d3hjf2svlvv", "tags": ["vendor-advisory"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "Improper Input Validation vulnerability in Apache APISIX.\n\nThe attacker can take advantage of certain configuration in forward-auth plugin to spoof identity headers.\nThis issue affects Apache APISIX: from 2.12.0 through 3.16.0.\n\nUsers are recommended to upgrade to version 3.17.0, which fixes the issue.", "supportingMedia": [{"type": "text/html", "value": "<p>Improper Input Validation vulnerability in Apache APISIX.</p>The attacker can take advantage of certain configuration in forward-auth plugin to spoof identity headers.<br><p>This issue affects Apache APISIX: from 2.12.0 through 3.16.0.</p><p>Users are recommended to upgrade to version 3.17.0, which fixes the issue.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-20", "description": "CWE-20 Improper Input Validation"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-06-19T13:05:22.390Z"}}}, "cveMetadata": {"cveId": "CVE-2026-39998", "state": "PUBLISHED", "dateUpdated": "2026-06-19T16:49:45.794Z", "dateReserved": "2026-04-08T02:34:21.516Z", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "datePublished": "2026-06-19T13:04:39.608Z", "assignerShortName": "apache"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Apache APISIX", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "3.16.0", "status": "affected", "version": "2.12.0", "versionType": "semver"}]}], "source": "security@apache.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:apisix:*:*:*:*:*:*:*:*", "matchCriteriaId": "5594B6F8-4C43-4244-92CC-04C8BA3A9FA1", "versionEndExcluding": "3.17.0", "versionStartIncluding": "2.12.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Input Validation vulnerability in Apache APISIX.\n\nThe attacker can take advantage of certain configuration in forward-auth plugin to spoof identity headers.\nThis issue affects Apache APISIX: from 2.12.0 through 3.16.0.\n\nUsers are recommended to upgrade to version 3.17.0, which fixes the issue."}], "id": "CVE-2026-39998", "lastModified": "2026-06-23T14:57:13.603", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.8, "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": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/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": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security@apache.org", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-39998", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-22T16:16:18.557213Z", "version": "2.0.3"}}]}, "published": "2026-06-19T14:16:21.823", "references": [{"source": "security@apache.org", "tags": ["Vendor Advisory", "Mailing List"], "url": "https://lists.apache.org/thread/vgkvy396010d7g6m0jrn4d3hjf2svlvv"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2026/06/19/4"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "security@apache.org", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.12.0,3.16.0]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Apache APISIX", "source": "cna", "vendor": "Apache Software Foundation"}, "product": "apache_apisix", "vendor": "apache"}], "created": "2026-06-19T20:30:04.657217+00:00", "updated": "2026-06-19T21:30:17.583274+00:00", "vendors": ["apache", "apache$PRODUCT$apache_apisix"]}