CVE-2026-40126

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-40126", "assignerOrgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "state": "PUBLISHED", "assignerShortName": "CERT-PL", "dateReserved": "2026-04-09T10:15:00.973Z", "datePublished": "2026-08-17T12:03:38.685Z", "dateUpdated": "2026-08-17T14:45:46.006Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "shortName": "CERT-PL", "dateUpdated": "2026-08-17T12:03:38.685Z"}, "title": "DOM-based Cross-Site Scripting in OutSystems Service Center", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-588", "descriptions": [{"lang": "en", "value": "CAPEC-588 DOM-Based XSS"}]}], "affected": [{"vendor": "OutSystems", "product": "Service Center", "versions": [{"status": "affected", "version": "0", "lessThan": "11.41.2", "versionType": "semver"}], "defaultStatus": "unknown"}], "cpeApplicability": [{"operator": "OR", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:outsystems:service_center:*:*:*:*:*:*:*:*", "versionStartIncluding": "0", "versionEndExcluding": "11.41.2"}]}]}], "descriptions": [{"lang": "en", "value": "OutSystems Service Center is vulnerable to a DOM-based Cross-Site Scripting (XSS) attack that can be exploited by a low-privileged attacker via the upload of a file with a malicious filename containing JavaScript code. The vulnerability exists in all locations where a file can be attached and prepared for upload to the server.\n\nThis issue was fixed in OutSystems Service Center version 11.41.2", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<div>OutSystems Service Center is vulnerable to a DOM-based Cross-Site Scripting (XSS) attack that can be exploited by a low-privileged attacker via the upload of a file with a malicious filename containing JavaScript code. The vulnerability exists in all locations where a file can be attached and prepared for upload to the server.<br><br>This issue was fixed in OutSystems Service Center version 11.41.2<br></div>"}]}], "references": [{"url": "https://cert.pl/en/posts/2026/08/CVE-2026-40126/", "tags": ["third-party-advisory"]}, {"url": "https://www.outsystems.com/downloads/ScreenDetails?ReleaseId=22953&MajorVersion=11&ComponentName=LifeTime", "tags": ["product"]}, {"url": "https://success.outsystems.com/support/security/vulnerabilities/vulnerability_rpm_6669/", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 4.8, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"}}], "credits": [{"lang": "en", "value": "Zbigniew Piotrak (AFINE Team)", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-17T14:45:32.922394Z", "id": "CVE-2026-40126", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2026-08-17T14:45:46.006Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-40126", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-17T14:45:32.922394Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-17T14:45:39.920Z"}}], "cna": {"title": "DOM-based Cross-Site Scripting in OutSystems Service Center", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "Zbigniew Piotrak (AFINE Team)"}], "impacts": [{"capecId": "CAPEC-588", "descriptions": [{"lang": "en", "value": "CAPEC-588 DOM-Based XSS"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 4.8, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "ACTIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "OutSystems", "product": "Service Center", "versions": [{"status": "affected", "version": "0", "lessThan": "11.41.2", "versionType": "semver"}], "defaultStatus": "unknown"}], "references": [{"url": "https://cert.pl/en/posts/2026/08/CVE-2026-40126/", "tags": ["third-party-advisory"]}, {"url": "https://www.outsystems.com/downloads/ScreenDetails?ReleaseId=22953&MajorVersion=11&ComponentName=LifeTime", "tags": ["product"]}, {"url": "https://success.outsystems.com/support/security/vulnerabilities/vulnerability_rpm_6669/", "tags": ["vendor-advisory"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "OutSystems Service Center is vulnerable to a DOM-based Cross-Site Scripting (XSS) attack that can be exploited by a low-privileged attacker via the upload of a file with a malicious filename containing JavaScript code. The vulnerability exists in all locations where a file can be attached and prepared for upload to the server.\n\nThis issue was fixed in OutSystems Service Center version 11.41.2", "supportingMedia": [{"type": "text/html", "value": "<div>OutSystems Service Center is vulnerable to a DOM-based Cross-Site Scripting (XSS) attack that can be exploited by a low-privileged attacker via the upload of a file with a malicious filename containing JavaScript code. The vulnerability exists in all locations where a file can be attached and prepared for upload to the server.<br><br>This issue was fixed in OutSystems Service Center version 11.41.2<br></div>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:outsystems:service_center:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "11.41.2", "versionStartIncluding": "0"}], "operator": "OR"}], "operator": "OR"}], "providerMetadata": {"orgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "shortName": "CERT-PL", "dateUpdated": "2026-08-17T12:03:38.685Z"}}}, "cveMetadata": {"cveId": "CVE-2026-40126", "state": "PUBLISHED", "dateUpdated": "2026-08-17T14:45:46.006Z", "dateReserved": "2026-04-09T10:15:00.973Z", "assignerOrgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "datePublished": "2026-08-17T12:03:38.685Z", "assignerShortName": "CERT-PL"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "Service Center", "vendor": "OutSystems", "versions": [{"lessThan": "11.41.2", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "cvd@cert.pl"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OutSystems Service Center is vulnerable to a DOM-based Cross-Site Scripting (XSS) attack that can be exploited by a low-privileged attacker via the upload of a file with a malicious filename containing JavaScript code. The vulnerability exists in all locations where a file can be attached and prepared for upload to the server.\n\nThis issue was fixed in OutSystems Service Center version 11.41.2"}], "id": "CVE-2026-40126", "lastModified": "2026-08-28T15:26:19.533", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 4.8, "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": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/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": "cvd@cert.pl", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-40126", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-17T14:45:32.922394Z", "version": "2.0.3"}}]}, "published": "2026-08-17T12:18:25.000", "references": [{"source": "cvd@cert.pl", "url": "https://cert.pl/en/posts/2026/08/CVE-2026-40126/"}, {"source": "cvd@cert.pl", "url": "https://success.outsystems.com/support/security/vulnerabilities/vulnerability_rpm_6669/"}, {"source": "cvd@cert.pl", "url": "https://www.outsystems.com/downloads/ScreenDetails?ReleaseId=22953&MajorVersion=11&ComponentName=LifeTime"}], "sourceIdentifier": "cvd@cert.pl", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "cvd@cert.pl", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,11.41.2)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}]}, "product": "service_center", "vendor": "outsystems"}], "created": "2026-08-17T14:00:21.418712+00:00", "updated": "2026-08-21T21:19:46.414931+00:00", "vendors": ["outsystems", "outsystems$PRODUCT$service_center"]}