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CVE-2026-49818

The Apache Airflow Samba provider's `GCSToSambaOperator` joined GCS object names to the SMB destination path without a containment check, so an object named with `../` segments resolved a write path outside the configured `destination_path`. An attacker able to write objects into the source GCS bucket — typically an external data producer distinct from the trusted DAG author — could write files to arbitrary locations on the Samba target when the operator ran. Upgrade apache-airflow-providers-sam
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:486fffc8e198633ad0630be8ffcd81a518506952716d92fdcb7da4039c4cc1ef
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"collectionURL":"https://pypi.python.org","defaultStatus":"unaffected","packageName":"apache-airflow-providers-samba","product":"Apache Airflow Samba provider","vendor":"Apache Software Foundation","versions":[{"lessThan":"4.12.6","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9b35f5a6e0e742f6e8e66847da441e0c486c59b5e19368a27c4b2b2b2a623123 · sha256:c712d94abcfa18d9… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9b35f5a6e0e742f6e8e66847da441e0c486c59b5e19368a27c4b2b2b2a623123 · sha256:c712d94abcfa18d9… · /containers/adp/1/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9b35f5a6e0e742f6e8e66847da441e0c486c59b5e19368a27c4b2b2b2a623123 · sha256:c712d94abcfa18d9… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2026/06/09/8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9b35f5a6e0e742f6e8e66847da441e0c486c59b5e19368a27c4b2b2b2a623123 · sha256:c712d94abcfa18d9… · /containers/adp/0/references/0
{"tags":["patch"],"url":"https://github.com/apache/airflow/pull/67857"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9b35f5a6e0e742f6e8e66847da441e0c486c59b5e19368a27c4b2b2b2a623123 · sha256:c712d94abcfa18d9… · /containers/cna/references/0
{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/3vs0m3p51psgf54tts18d6336g24x3sf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9b35f5a6e0e742f6e8e66847da441e0c486c59b5e19368a27c4b2b2b2a623123 · sha256:c712d94abcfa18d9… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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