High [CVE-2026-49297] Apache Airflow's Google provider operators `GCSToSFTPOperator` and `GCSTimeSpanFileTransformOperator` joined GCS…
This high-severity Apache Software Foundation advisory covers CVE-2026-49297 affecting Apache Airflow.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
VulniPulse record published Record updated
Summary
Apache Airflow's Google provider operators `GCSToSFTPOperator` and `GCSTimeSpanFileTransformOperator` joined GCS object names returned by the bucket listing API directly to a destination filesystem path without normalisation or containment check.
A user with write access to the source GCS bucket (typically a different trust principal than the DAG author — partner uploads, ingest-only service accounts, public-data buckets) could create an object whose name contains `..` segments and cause the DAG run to write the downloaded blob outside the configured destination (the SFTP `destination_path` for `GCSToSFTPOperator`; the worker-local temp directory for `GCSTimeSpanFileTransformOperator`), enabling overwrite of arbitrary files on the SFTP server or the worker host.
Affects deployments that ingest from buckets writable by less-trusted principals. Users are advised to upgrade to `apache-airflow-providers-google` 22.2.1 or later.
Is CVE-2026-49297 exploited?
No exploitation is reported in the sources VulniPulse tracks: CVE-2026-49297 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.
How do I fix CVE-2026-49297?
Upgrade to a fixed release named by Apache:
- 22.2.1
Confirm against the vendor advisory before you patch.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative. Check it before change work.
Official advisory · high-confidence parse· fetched 4 months ago·verify at source
- 22.2.1
Official advisory · high-confidence parse· fetched 4 months ago·verify at source
Mitigation checklist
- Users are advised to upgrade to `apache-airflow-providers-google` 22.2.1 or later.
Official advisory · high-confidence parse· fetched 4 months ago·verify at source
Get an email when Apache Airflow publishes the next one.
See Apache Airflow's last 90 days of advisories first. Then choose one product with live alerts free for life, or a free month of real-time alerts on everything with the severity, the fixed version and the vendor's link (card needed, then US$15/month; we email you before the first charge).
More Apache Software Foundation advisories
- CVE-2026-81930Sep 29, 2026Apache Airflow's Snowflake provider did not validate the connection's `account`
- CVE-2026-81862Sep 29, 2026Apache Airflow's Teradata provider embedded cloud storage credentials directly into SQL
- CVE-2026-81914Sep 29, 2026Apache Airflow's Google provider built Google Drive search expressions by interpolating
- CVE-2026-86473Sep 21, 2026Apache Airflow: Logout ignores a presented Authorization bearer token, leaving
- CVE-2026-75158Sep 21, 2026Apache Airflow: Assets events API returns asset events for every Dag with no per-Dag
- CVE-2026-82355Sep 21, 2026Apache Airflow: Session cookie silently overrides explicit Authorization bearer header
iPhone and Android apps · New on the App Store
Monitor future Apache Software Foundation CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 34 official vendor sources and 160+ reviewed platform categories.
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.