{"id": "CVE-2026-16938", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-16938", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-20T15:18:49.285398Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@us.ibm.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.9, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 4.7, "exploitabilityScore": 1.7}]}, "affected": [{"source": "psirt@us.ibm.com", "affectedData": [{"cpes": ["cpe:2.3:o:ibm:power_systems_firmware:fw1120.00:*:*:*:*:*:*:*", "cpe:2.3:o:ibm:power_systems_firmware:fw1110.00:*:*:*:*:*:*:*", "cpe:2.3:o:ibm:power_systems_firmware:fw1110.30:*:*:*:*:*:*:*", "cpe:2.3:o:ibm:power_systems_firmware:fw1060.00:*:*:*:*:*:*:*", "cpe:2.3:o:ibm:power_systems_firmware:fw1060.80:*:*:*:*:*:*:*", "cpe:2.3:o:ibm:power_systems_firmware:fw950.00:*:*:*:*:*:*:*", "cpe:2.3:o:ibm:power_systems_firmware:fw950.h2:*:*:*:*:*:*:*"], "vendor": "IBM", "product": "Power Systems Firmware", "versions": [{"status": "affected", "version": "FW1120.00"}, {"status": "affected", "version": "FW1110.00", "versionType": "semver", "lessThanOrEqual": "FW1110.30"}, {"status": "affected", "version": "FW1060.00", "versionType": "semver", "lessThanOrEqual": "FW1060.80"}, {"status": "affected", "version": "FW950.00", "versionType": "semver", "lessThanOrEqual": "FW950.H2"}]}]}], "published": "2026-08-19T19:17:10.963", "references": [{"url": "https://www.ibm.com/support/pages/node/7283896", "tags": ["Vendor Advisory"], "source": "psirt@us.ibm.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "psirt@us.ibm.com", "description": [{"lang": "en", "value": "CWE-862"}]}], "descriptions": [{"lang": "en", "value": "IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in access controls over privileged system configuration operations on the FSP. An attacker with authenticated administrator-level access to the FSP can place the managed system into a non-production operational mode, allowing certain system components to be disabled. This condition persists across FSP resets and requires explicit operator intervention \u2014 clearing the affected configuration \u2014 to restore normal operation. Successful exploitation results in an availability impact to the managed system."}], "lastModified": "2026-08-25T15:56:28.767", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:ibm:power_system_e1080_\\(9080-hex\\)_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AA6D803F-DD5C-49A7-BE93-68981C124C69", "versionEndExcluding": "fw1060.81", "versionStartIncluding": "fw1060.00"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:ibm:power_system_e1080_\\(9080-hex\\):-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "DF85251B-E02C-4293-98F0-D331BF51CAC4"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:ibm:power_system_e1180_\\(9080-heu\\)_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E8049F52-227B-4CCA-B059-5821F9B41C95", "versionEndExcluding": "fw1110.31", "versionStartIncluding": "fw1110.00"}, {"criteria": 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