CVE-2026-75889

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-75889", "assignerOrgId": "57da9224-a3e2-4646-9d0e-c4dc2e05e7da", "state": "PUBLISHED", "assignerShortName": "GRAFANA", "dateReserved": "2026-08-18T13:48:17.836Z", "datePublished": "2026-08-27T17:22:22.328Z", "dateUpdated": "2026-08-28T16:55:05.074Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Alloy", "vendor": "Grafana", "versions": [{"lessThanOrEqual": "1.18.1", "status": "affected", "version": "1.0.0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Trung Nguyen (@everping) of CyStack"}], "datePublic": "2026-08-18T13:48:18.251Z", "descriptions": [{"lang": "en", "value": "Grafana Alloy\u2019s prometheus.operator.servicemonitors component allows a user who can create or modify ServiceMonitor resources in a watched namespace to specify an arbitrary local file through bearerTokenFile. Alloy reads the file and sends its contents as a bearer token to an attacker-controlled scrape endpoint. This may disclose files accessible to the Alloy process, including its projected Kubernetes service account token, potentially granting the attacker Alloy\u2019s Kubernetes permissions. Exploitation requires ServiceMonitor write access and lower privileges than Alloy\u2019s service account."}], "metrics": [{"cvssV3_1": {"baseScore": 7.7, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}}], "providerMetadata": {"orgId": "57da9224-a3e2-4646-9d0e-c4dc2e05e7da", "shortName": "GRAFANA", "dateUpdated": "2026-08-27T17:22:38.284Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://grafana.com/security/security-advisories/cve-2026-75889"}], "source": {"discovery": "EXTERNAL_REPORT"}, "title": "CVE-2026-75889 CVE Record"}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-552", "lang": "en", "description": "CWE-552 Files or Directories Accessible to External Parties"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-28T13:58:25.670440Z", "id": "CVE-2026-75889", "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": "2026-08-28T16:55:05.074Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-75889", "assignerOrgId": "57da9224-a3e2-4646-9d0e-c4dc2e05e7da", "state": "PUBLISHED", "assignerShortName": "GRAFANA", "dateReserved": "2026-08-18T13:48:17.836Z", "datePublished": "2026-08-27T17:22:22.328Z", "dateUpdated": "2026-08-28T16:55:05.074Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Alloy", "vendor": "Grafana", "versions": [{"lessThanOrEqual": "1.18.1", "status": "affected", "version": "1.0.0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Trung Nguyen (@everping) of CyStack"}], "datePublic": "2026-08-18T13:48:18.251Z", "descriptions": [{"lang": "en", "value": "Grafana Alloy\u2019s prometheus.operator.servicemonitors component allows a user who can create or modify ServiceMonitor resources in a watched namespace to specify an arbitrary local file through bearerTokenFile. Alloy reads the file and sends its contents as a bearer token to an attacker-controlled scrape endpoint. This may disclose files accessible to the Alloy process, including its projected Kubernetes service account token, potentially granting the attacker Alloy\u2019s Kubernetes permissions. Exploitation requires ServiceMonitor write access and lower privileges than Alloy\u2019s service account."}], "metrics": [{"cvssV3_1": {"baseScore": 7.7, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}}], "providerMetadata": {"orgId": "57da9224-a3e2-4646-9d0e-c4dc2e05e7da", "shortName": "GRAFANA", "dateUpdated": "2026-08-27T17:22:38.284Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://grafana.com/security/security-advisories/cve-2026-75889"}], "source": {"discovery": "EXTERNAL_REPORT"}, "title": "CVE-2026-75889 CVE Record"}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-75889", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-28T13:58:25.670440Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-552", "description": "CWE-552 Files or Directories Accessible to External Parties"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-28T14:06:58.212Z"}}]}}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Alloy", "vendor": "Grafana", "versions": [{"lessThanOrEqual": "1.18.1", "status": "affected", "version": "1.0.0", "versionType": "semver"}]}], "source": "security@grafana.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Grafana Alloy\u2019s prometheus.operator.servicemonitors component allows a user who can create or modify ServiceMonitor resources in a watched namespace to specify an arbitrary local file through bearerTokenFile. Alloy reads the file and sends its contents as a bearer token to an attacker-controlled scrape endpoint. This may disclose files accessible to the Alloy process, including its projected Kubernetes service account token, potentially granting the attacker Alloy\u2019s Kubernetes permissions. Exploitation requires ServiceMonitor write access and lower privileges than Alloy\u2019s service account."}], "id": "CVE-2026-75889", "lastModified": "2026-08-31T18:50:00.053", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 4.0, "source": "security@grafana.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-75889", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-28T13:58:25.670440Z", "version": "2.0.3"}}]}, "published": "2026-08-27T20:18:37.980", "references": [{"source": "security@grafana.com", "url": "https://grafana.com/security/security-advisories/cve-2026-75889"}], "sourceIdentifier": "security@grafana.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-552"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.0.0,1.18.1]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Alloy", "source": "cna", "vendor": "Grafana"}, "product": "alloy", "vendor": "grafana"}], "created": "2026-08-28T07:15:05.298527+00:00", "title": "Alloy Prometheus Operator Exposes Sensitive Files via ServiceMonitor Bearer Token", "updated": "2026-08-29T00:45:04.374022+00:00", "vendors": ["grafana", "grafana$PRODUCT$alloy"]}