{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-45391", "assignerOrgId": "af879a92-7297-456a-bb0e-905ac6c64bdc", "state": "PUBLISHED", "assignerShortName": "Cribl", "dateReserved": "2026-05-12T01:05:53.671Z", "datePublished": "2026-05-12T01:06:25.477Z", "dateUpdated": "2026-06-02T15:51:55.156Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "af879a92-7297-456a-bb0e-905ac6c64bdc", "shortName": "Cribl", "dateUpdated": "2026-06-02T15:51:55.156Z" }, "title": "Local privilege escalation in Cribl Edge for Linux", "datePublic": "2026-04-20T00:00:00.000Z", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-78", "description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "type": "CWE" } ] } ], "impacts": [ { "capecId": "CAPEC-88", "descriptions": [ { "lang": "en", "value": "CAPEC-88 OS Command Injection" } ] }, { "capecId": "CAPEC-234", "descriptions": [ { "lang": "en", "value": "CAPEC-234 Hijacking a privileged process" } ] }, { "capecId": "CAPEC-233", "descriptions": [ { "lang": "en", "value": "CAPEC-233 Privilege Escalation" } ] } ], "affected": [ { "vendor": "Cribl", "product": "Cribl Edge", "platforms": [ "Linux" ], "versions": [ { "status": "affected", "version": "3.2.0", "lessThan": "4.17.1", "versionType": "semver" }, { "status": "unaffected", "version": "4.17.1", "versionType": "semver" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "lang": "en", "value": "A command injection vulnerability in Cribl Edge for Linux versions 3.2.0 through 4.17.0 allows a local unprivileged user to execute arbitrary commands in the context of the Cribl Edge service account.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "

A command injection vulnerability in Cribl Edge for Linux versions 3.2.0 through 4.17.0 allows a local unprivileged user to execute arbitrary commands in the context of the Cribl Edge service account.

" } ] } ], "references": [ { "url": "https://docs.cribl.io/edge/release-notes/release-v4171#security-fixes", "name": "Cribl Edge 4.17.1 Security Fixes", "tags": [ "release-notes" ] }, { "url": "https://trust.cribl.io/notifications", "name": "Cribl Trust Portal", "tags": [ "vendor-advisory" ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH" }, "cvssV4_0": { "version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "baseScore": 8.5, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "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" } } ], "credits": [ { "lang": "en", "type": "finder", "value": "Zach Rayburn, Cribl Product Security" } ], "solutions": [ { "lang": "en", "value": "Upgrade Cribl Edge 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), running Cribl Edge as an unprivileged Linux user is recommended; see https://docs.cribl.io/edge/deploy-linux/ for guidance.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "

Upgrade Cribl Edge 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), running Cribl Edge as an unprivileged Linux user is recommended; see Run Edge as an Unprivileged Linux User.

" } ] } ], "source": { "discovery": "INTERNAL" } }, "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": "2026-05-15T10:56:04.029331Z", "id": "CVE-2026-45391", "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": "2026-05-15T10:56:07.326Z" } } ] } }