{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-48750", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-22T19:10:35.748Z", "datePublished": "2026-08-21T14:19:45.109Z", "dateUpdated": "2026-08-26T17:24:53.540Z"}, "containers": {"cna": {"title": "Incus has an arbitrary file write on host via `exec-output` symlink in crafted image", "problemTypes": [{"descriptions": [{"cweId": "CWE-73", "lang": "en", "description": "CWE-73: External Control of File Name or Path", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/lxc/incus/security/advisories/GHSA-73hr-m85f-64v9", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/lxc/incus/security/advisories/GHSA-73hr-m85f-64v9"}], "affected": [{"vendor": "lxc", "product": "incus", "versions": [{"version": "< 7.2.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-21T14:19:45.109Z"}, "descriptions": [{"lang": "en", "value": "Incus is a system container and virtual machine manager. Prior to version 7.2.0, the `record-output` parameter of the `/instances/$name/exec` endpoint stores the output of the command in the `exec-output` directory of the instance. If `exec-output` is a symlink, file named `exec_UUID.stdout` and `exec_UUID.stderr` can be written to an arbitrary location where the `.stdout` file will contain arbitrary content. This behavior can be abused for arbitrary command execution. Version 7.2.0 contains a patch."}], "source": {"advisory": "GHSA-73hr-m85f-64v9", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/lxc/incus/security/advisories/GHSA-73hr-m85f-64v9", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-26T17:24:17.722732Z", "id": "CVE-2026-48750", "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": "2026-08-26T17:24:53.540Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-48750", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-08-26T17:24:17.722732Z"}}}], "references": [{"url": "https://github.com/lxc/incus/security/advisories/GHSA-73hr-m85f-64v9", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-26T17:24:37.161Z"}}], "cna": {"title": "Incus has an arbitrary file write on host via `exec-output` symlink in crafted image", "source": {"advisory": "GHSA-73hr-m85f-64v9", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.9, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "lxc", "product": "incus", "versions": [{"status": "affected", "version": "< 7.2.0"}]}], "references": [{"url": "https://github.com/lxc/incus/security/advisories/GHSA-73hr-m85f-64v9", "name": "https://github.com/lxc/incus/security/advisories/GHSA-73hr-m85f-64v9", "tags": ["x_refsource_CONFIRM"]}], "descriptions": [{"lang": "en", "value": "Incus is a system container and virtual machine manager. Prior to version 7.2.0, the `record-output` parameter of the `/instances/$name/exec` endpoint stores the output of the command in the `exec-output` directory of the instance. If `exec-output` is a symlink, file named `exec_UUID.stdout` and `exec_UUID.stderr` can be written to an arbitrary location where the `.stdout` file will contain arbitrary content. This behavior can be abused for arbitrary command execution. Version 7.2.0 contains a patch."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-73", "description": "CWE-73: External Control of File Name or Path"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-21T14:19:45.109Z"}}}, "cveMetadata": {"cveId": "CVE-2026-48750", "state": "PUBLISHED", "dateUpdated": "2026-08-26T17:24:53.540Z", "dateReserved": "2026-05-22T19:10:35.748Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-08-21T14:19:45.109Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "incus", "vendor": "lxc", "versions": [{"status": "affected", "version": "< 7.2.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Incus is a system container and virtual machine manager. Prior to version 7.2.0, the `record-output` parameter of the `/instances/$name/exec` endpoint stores the output of the command in the `exec-output` directory of the instance. If `exec-output` is a symlink, file named `exec_UUID.stdout` and `exec_UUID.stderr` can be written to an arbitrary location where the `.stdout` file will contain arbitrary content. This behavior can be abused for arbitrary command execution. Version 7.2.0 contains a patch."}], "id": "CVE-2026-48750", "lastModified": "2026-08-26T18:16:34.300", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-48750", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-26T17:24:17.722732Z", "version": "2.0.3"}}]}, "published": "2026-08-21T15:16:40.390", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/lxc/incus/security/advisories/GHSA-73hr-m85f-64v9"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/lxc/incus/security/advisories/GHSA-73hr-m85f-64v9"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-73"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "incus: Incus has an arbitrary file write on host via `exec-output` symlink in crafted image", "id": "2521003", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2521003"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-61", "details": ["Incus is a system container and virtual machine manager. Prior to version 7.2.0, the `record-output` parameter of the `/instances/$name/exec` endpoint stores the output of the command in the `exec-output` directory of the instance. If `exec-output` is a symlink, file named `exec_UUID.stdout` and `exec_UUID.stderr` can be written to an arbitrary location where the `.stdout` file will contain arbitrary content. This behavior can be abused for arbitrary command execution. Version 7.2.0 contains a patch.", "A flaw was found in Incus, a container and virtual machine manager. A crafted container image can cause the host to write files to arbitrary locations via a symlink, potentially leading to command execution as root on the host."], "mitigation": {"lang": "en:us", "value": "No mitigation is needed as Incus is not shipped in any Red Hat product."}, "name": "CVE-2026-48750", "public_date": "2026-08-21T14:19:45Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-48750\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-48750\nhttps://github.com/lxc/incus/security/advisories/GHSA-73hr-m85f-64v9"], "statement": "Incus is not shipped in any Red Hat product. The community Fedora package is affected.", "threat_severity": "Critical"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,7.2.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "incus", "source": "cna", "vendor": "lxc"}, "product": "incus", "vendor": "lxc"}], "created": "2026-08-21T15:30:05.032914+00:00", "updated": "2026-08-26T14:00:06.053781+00:00", "vendors": ["lxc", "lxc$PRODUCT$incus"]}