CVE-2026-18838

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{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:ibm:api_connect:12.1.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:api_connect:12.1.1.2:*:*:*:*:*:*:*"], "product": "API Connect", "vendor": "IBM", "versions": [{"lessThanOrEqual": "12.1.1.2", "status": "affected", "version": "12.1.0.0", "versionType": "semver"}]}], "source": "psirt@us.ibm.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to obtain sensitive information and modify API configurations due to improper authentication. Identity information supplied in requests is not sufficiently verified, which could allow a caller to impersonate another user."}], "id": "CVE-2026-18838", "lastModified": "2026-11-12T17:17:45.390", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 9.4, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.5, "source": "psirt@us.ibm.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-18838", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-11-12T16:37:11.301658Z", "version": "2.0.3"}}]}, "published": "2026-11-07T05:18:59.803", "references": [{"source": "psirt@us.ibm.com", "url": "https://www.ibm.com/support/pages/node/7295635"}], "sourceIdentifier": "psirt@us.ibm.com", "vulnStatus": "Undergoing Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-290"}], "source": "psirt@us.ibm.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[12.1.0.0,12.1.1.2]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "API Connect", "source": "cna", "vendor": "IBM"}, "product": "api_connect", "vendor": "ibm"}], "created": "2026-11-07T06:30:14.435400+00:00", "updated": "2026-11-07T08:00:24.061317+00:00", "vendors": ["ibm", "ibm$PRODUCT$api_connect"]}