192 lines
8.5 KiB
JSON
192 lines
8.5 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-40861",
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"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
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"state": "PUBLISHED",
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"assignerShortName": "apache",
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"dateReserved": "2026-04-15T13:58:24.192Z",
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"datePublished": "2026-06-01T07:55:37.566Z",
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"dateUpdated": "2026-11-03T06:54:55.643Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
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"shortName": "apache",
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"dateUpdated": "2026-11-03T06:54:55.643Z"
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},
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"title": "Apache Airflow: Arbitrary File Read via Log Symlink following in FileTaskHandler",
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"problemTypes": [
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{
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"descriptions": [
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{
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"description": "CWE-59: Improper Link Resolution Before File Access ('Link Following')",
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"lang": "en",
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"cweId": "CWE-59",
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"type": "CWE"
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}
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]
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}
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],
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"source": {
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"discovery": "UNKNOWN"
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},
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"affected": [
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{
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"vendor": "Apache Software Foundation",
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"product": "Apache Airflow",
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"collectionURL": "https://pypi.python.org",
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"packageName": "apache-airflow",
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"versions": [
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{
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"status": "affected",
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"version": "0",
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"lessThan": "3.0.0",
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"versionType": "semver"
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}
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],
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"defaultStatus": "unaffected",
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"packageURL": "pkg:pypi/apache-airflow"
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},
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{
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"vendor": "Apache Software Foundation",
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"product": "Apache Airflow",
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"collectionURL": "https://pypi.python.org",
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"packageName": "apache-airflow-core",
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"versions": [
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{
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"status": "affected",
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"version": "3.0.0",
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"lessThan": "3.2.2",
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"versionType": "semver"
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}
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],
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"defaultStatus": "unaffected",
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"packageURL": "pkg:pypi/apache-airflow-core"
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}
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],
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"descriptions": [
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{
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"value": "A Dag author could either (a) create a symlink under their task's log directory pointing to an arbitrary file readable by the API server process (read-path attack — e.g. `/etc/passwd` or `airflow.cfg`) or (b) supply a `task_id` containing `..` sequences accepted by the Task SDK's `KEY_REGEX` (write-path attack), and in both cases the FileTaskHandler resolves the log path outside the configured `base_log_folder`, leaking or overwriting arbitrary files. Only affects deployments where the worker log folder is shared with the API server. Users are advised to upgrade to `apache-airflow` 3.2.2 or later. As a defense-in-depth mitigation, deploy the worker and API server with separate log volumes so that worker-controlled paths cannot reach the API server's filesystem.",
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"lang": "en",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "A Dag author could either (a) create a symlink under their task's log directory pointing to an arbitrary file readable by the API server process (read-path attack — e.g. `/etc/passwd` or `airflow.cfg`) or (b) supply a `task_id` containing `..` sequences accepted by the Task SDK's `KEY_REGEX` (write-path attack), and in both cases the FileTaskHandler resolves the log path outside the configured `base_log_folder`, leaking or overwriting arbitrary files. Only affects deployments where the worker log folder is shared with the API server. Users are advised to upgrade to `apache-airflow` 3.2.2 or later. As a defense-in-depth mitigation, deploy the worker and API server with separate log volumes so that worker-controlled paths cannot reach the API server's filesystem."
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}
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]
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}
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],
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"references": [
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{
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"url": "https://github.com/apache/airflow/pull/65325",
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"tags": [
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"patch"
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]
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},
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{
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"url": "https://lists.apache.org/thread/823334db2559xjlwt59gpzjz47thnscl",
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"tags": [
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"vendor-advisory"
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]
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}
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],
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"metrics": [
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{
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"other": {
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"type": "Textual description of severity",
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"content": {
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"text": "low"
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}
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}
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Silas Boch",
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"type": "finder"
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},
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{
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"lang": "en",
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"value": "Lakshmikanthan K (letchupkt)",
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"type": "finder"
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},
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{
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"lang": "en",
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"value": "Jarek Potiuk",
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"type": "remediation developer"
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}
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],
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"x_generator": {
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"engine": "airflow-s/generate_cve_json.py"
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}
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},
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"adp": [
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{
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"title": "CVE Program Container",
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"references": [
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{
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"url": "http://www.openwall.com/lists/oss-security/2026/05/31/1"
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}
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],
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2026-06-01T09:52:20.189Z"
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}
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},
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{
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"metrics": [
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{
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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 6.5,
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"attackVector": "NETWORK",
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
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"integrityImpact": "NONE",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "NONE",
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"privilegesRequired": "LOW",
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"confidentialityImpact": "HIGH"
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}
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},
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-06-02T16:33:03.378849Z",
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"id": "CVE-2026-40861",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-06-02T16:42:26.285Z"
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}
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}
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]
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}
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} |