{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-45392", "assignerOrgId": "af879a92-7297-456a-bb0e-905ac6c64bdc", "state": "PUBLISHED", "assignerShortName": "Cribl", "dateReserved": "2026-05-12T01:05:53.672Z", "datePublished": "2026-05-12T01:06:26.339Z", "dateUpdated": "2026-06-02T15:53:40.515Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "af879a92-7297-456a-bb0e-905ac6c64bdc", "shortName": "Cribl", "dateUpdated": "2026-06-02T15:53:40.515Z" }, "title": "DOM-based XSS in Cribl Stream", "datePublic": "2026-04-20T00:00:00.000Z", "descriptions": [ { "lang": "en", "value": "DOM-based cross-site scripting (XSS) in Cribl Stream before 4.17.1 allows a remote attacker to execute arbitrary JavaScript in the browser of an authenticated user who is tricked into visiting a crafted URL and interacting with the page.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "

DOM-based cross-site scripting (XSS) in Cribl Stream before 4.17.1 allows a remote attacker to execute arbitrary JavaScript in the browser of an authenticated user who is tricked into visiting a crafted URL and interacting with the page.

" } ] } ], "affected": [ { "vendor": "Cribl", "product": "Cribl Stream", "versions": [ { "version": "0", "status": "affected", "lessThan": "4.17.1", "versionType": "semver" } ], "defaultStatus": "unaffected" } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')" } ] } ], "impacts": [ { "capecId": "CAPEC-588", "descriptions": [ { "lang": "en", "value": "CAPEC-588 DOM-Based XSS" } ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "baseScore": 8.7, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE" }, "cvssV4_0": { "version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED" } } ], "source": { "discovery": "EXTERNAL" }, "references": [ { "url": "https://docs.cribl.io/stream/release-notes/release-v4171#security-fixes", "name": "Cribl Stream 4.17.1 Security Fixes", "tags": [ "release-notes" ] }, { "url": "https://trust.cribl.io/notifications", "name": "Cribl Trust Portal", "tags": [ "vendor-advisory" ] } ], "solutions": [ { "lang": "en", "value": "Upgrade Cribl Stream to v4.17.1 or higher. Upgrading fully resolves this vulnerability and no additional mitigation is required. As a defense-in-depth best practice (independent of this CVE), configuring a Content Security Policy header is recommended; see https://docs.cribl.io/stream/securing-sources-dest#csp for non-SSO and https://docs.cribl.io/stream/securing-sources-dest#saml-sso-configuration for SSO deployments.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "

Upgrade Cribl Stream to v4.17.1 or higher. Upgrading fully resolves this vulnerability and no additional mitigation is required.

As a defense-in-depth best practice (independent of this CVE), configuring a Content Security Policy header is recommended; see CSP guidance for non-SSO and SAML SSO configuration for SSO deployments.

" } ] } ], "credits": [ { "lang": "en", "type": "finder", "value": "Frank Lycops, NATO NCSC" }, { "lang": "en", "type": "finder", "value": "Filip Waeytens, NATO NCSC" } ] }, "adp": [ { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-20", "lang": "en", "description": "CWE-20 Improper Input Validation" } ] } ], "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2026-05-15T10:56:43.705190Z", "id": "CVE-2026-45392", "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": "2026-05-15T10:56:49.136Z" } } ] } }