{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-56747", "assignerOrgId": "af879a92-7297-456a-bb0e-905ac6c64bdc", "state": "PUBLISHED", "assignerShortName": "Cribl", "dateReserved": "2026-06-22T20:02:07.173Z", "datePublished": "2026-07-27T19:22:12.784Z", "dateUpdated": "2026-07-27T20:23:09.438Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "af879a92-7297-456a-bb0e-905ac6c64bdc", "shortName": "Cribl", "dateUpdated": "2026-07-27T19:22:12.784Z"}, "title": "Code Injection in JSON Pointer Processing Component in Cribl Stream", "datePublic": "2026-07-27T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Improper control of generation of code in the JSON Pointer-to-accessor compiler in Cribl Stream before 4.18.2 allows a remote authenticated attacker with edit privileges to execute arbitrary JavaScript on the server via a crafted database connection identifier or pack configuration value.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Improper control of generation of code in the JSON Pointer-to-accessor compiler in Cribl Stream before 4.18.2 allows a remote authenticated attacker with edit privileges to execute arbitrary JavaScript on the server via a crafted database connection identifier or pack configuration value.</p>"}]}], "affected": [{"vendor": "Cribl", "product": "Cribl Stream", "versions": [{"version": "0", "status": "affected", "lessThan": "4.18.2", "versionType": "semver"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-94", "description": "CWE-94 Improper Control of Generation of Code ('Code Injection')"}]}], "impacts": [{"capecId": "CAPEC-242", "descriptions": [{"lang": "en", "value": "CAPEC-242 Code Injection"}]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "baseScore": 8.7, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}}], "credits": [{"lang": "en", "type": "finder", "value": "Robert Lackey, Cribl Product Security"}], "source": {"discovery": "INTERNAL"}, "references": [{"url": "https://docs.cribl.io/stream/release-notes/release-v4182/#security-fixes", "name": "Cribl Stream 4.18.2 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 v4.18.2 or higher. Upgrading fully resolves this vulnerability and no additional mitigation is required.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Upgrade Cribl Stream to v4.18.2 or higher. Upgrading fully resolves this vulnerability and no additional mitigation is required.</p>"}]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-27T20:23:03.125636Z", "id": "CVE-2026-56747", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-27T20:23:09.438Z"}}]}}

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