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CVE-2026-81914

Apache Airflow Google provider: Google Drive query injection via unescaped file and folder names

4.3 MediumFix available

Apache Airflow's Google provider built Google Drive search expressions by interpolating file and folder names directly into single-quoted string literals, without escaping the quote character that delimits them. A name containing an apostrophe therefore terminated the literal early and appended clauses of the attacker's choosing to the query.

The names are frequently not written by the Dag author. In a wildcard gcs_to_gdrive transfer they come from the source bucket listing, so anyone able to create objects in that bucket controls them — typically an external data producer or an ingest-only service account, a different trust principal from the Dag author. An injected clause can broaden the match and so steer which file or folder the hook resolves: an upload can be directed into a folder the attacker named, and, because downloads select the most recently modified match, a download can return a file they placed rather than the one the Dag asked for.

Affects deployments passing externally-sourced names to the Google Drive hook, including wildcard gcs_to_gdrive transfers from buckets writable by less-trusted principals. Users are advised to upgrade to apache-airflow-providers-google 22.6.0 or later, which escapes quote and backslash characters in every value interpolated into a Drive query.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

0.47%Up 0.3 points since Sep 29, 2026
90%50%10%1%

What each source reports

CVE List Score used 4.3

Apache Airflow Google provider: Google Drive query injection via unescaped file and folder names

Apache Airflow's Google provider built Google Drive search expressions by interpolating file and folder names directly into single-quoted string literals, without escaping the quote character that delimits them. A name containing an apostrophe therefore terminated the literal early and appended clauses of the attacker's choosing to the query.

The names are frequently not written by the Dag author. In a wildcard gcs_to_gdrive transfer they come from the source bucket listing, so anyone able to create objects in that bucket controls them — typically an external data producer or an ingest-only service account, a different trust principal from the Dag author. An injected clause can broaden the match and so steer which file or folder the hook resolves: an upload can be directed into a folder the attacker named, and, because downloads select the most recently modified match, a download can return a file they placed rather than the one the Dag asked for.

Affects deployments passing externally-sourced names to the Google Drive hook, including wildcard gcs_to_gdrive transfers from buckets writable by less-trusted principals. Users are advised to upgrade to apache-airflow-providers-google 22.6.0 or later, which escapes quote and backslash characters in every value interpolated into a Drive query.

Record
CVE-2026-81914
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-943
Updated
2026-11-02
EUVDEUVD-2026-88694 4.3

Apache Airflow's Google provider built Google Drive search expressions by interpolating file and folder names directly into single-quoted string literals, without escaping the quote character that delimits them. A name containing an apostrophe therefore terminated the literal early and appended clauses of the attacker's choosing to the query.

The names are frequently not written by the Dag author. In a wildcard gcs_to_gdrive transfer they come from the source bucket listing, so anyone able to create objects in that bucket controls them — typically an external data producer or an ingest-only service account, a different trust principal from the Dag author. An injected clause can broaden the match and so steer which file or folder the hook resolves: an upload can be directed into a folder the attacker named, and, because downloads select the most recently modified match, a download can return a file they placed rather than the one the Dag asked for.

Affects deployments passing externally-sourced names to the Google Drive hook, including wildcard gcs_to_gdrive transfers from buckets writable by less-trusted principals. Users are advised to upgrade to apache-airflow-providers-google 22.6.0 or later, which escapes quote and backslash characters in every value interpolated into a Drive query.

Record
EUVD-2026-88694
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-g995-5p95-2fw6 4.3

Apache Airflow's Google provider built Google Drive search expressions by interpolating file and...

Apache Airflow's Google provider built Google Drive search expressions by interpolating file and folder names directly into single-quoted string literals, without escaping the quote character that delimits them. A name containing an apostrophe therefore terminated the literal early and appended clauses of the attacker's choosing to the query.

The names are frequently not written by the Dag author. In a wildcard gcs_to_gdrive transfer they come from the source bucket listing, so anyone able to create objects in that bucket controls them — typically an external data producer or an ingest-only service account, a different trust principal from the Dag author. An injected clause can broaden the match and so steer which file or folder the hook resolves: an upload can be directed into a folder the attacker named, and, because downloads select the most recently modified match, a download can return a file they placed rather than the one the Dag asked for.

Affects deployments passing externally-sourced names to the Google Drive hook, including wildcard gcs_to_gdrive transfers from buckets writable by less-trusted principals. Users are advised to upgrade to apache-airflow-providers-google 22.6.0 or later, which escapes quote and backslash characters in every value interpolated into a Drive query.

Record
GHSA-g995-5p95-2fw6
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-943
Updated
2026-11-02
NVD 4.3

Apache Airflow's Google provider built Google Drive search expressions by interpolating file and folder names directly into single-quoted string literals, without escaping the quote character that delimits them. A name containing an apostrophe therefore terminated the literal early and appended clauses of the attacker's choosing to the query.

The names are frequently not written by the Dag author. In a wildcard gcs_to_gdrive transfer they come from the source bucket listing, so anyone able to create objects in that bucket controls them — typically an external data producer or an ingest-only service account, a different trust principal from the Dag author. An injected clause can broaden the match and so steer which file or folder the hook resolves: an upload can be directed into a folder the attacker named, and, because downloads select the most recently modified match, a download can return a file they placed rather than the one the Dag asked for.

Affects deployments passing externally-sourced names to the Google Drive hook, including wildcard gcs_to_gdrive transfers from buckets writable by less-trusted principals. Users are advised to upgrade to apache-airflow-providers-google 22.6.0 or later, which escapes quote and backslash characters in every value interpolated into a Drive query.

Record
CVE-2026-81914
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-943
Updated
2026-11-02
OSV 4.3

Apache Airflow Google provider: Google Drive query injection via unescaped file and folder names

Apache Airflow's Google provider built Google Drive search expressions by interpolating file and folder names directly into single-quoted string literals, without escaping the quote character that delimits them. A name containing an apostrophe therefore terminated the literal early and appended clauses of the attacker's choosing to the query.

The names are frequently not written by the Dag author. In a wildcard gcs_to_gdrive transfer they come from the source bucket listing, so anyone able to create objects in that bucket controls them — typically an external data producer or an ingest-only service account, a different trust principal from the Dag author. An injected clause can broaden the match and so steer which file or folder the hook resolves: an upload can be directed into a folder the attacker named, and, because downloads select the most recently modified match, a download can return a file they placed rather than the one the Dag asked for.

Affects deployments passing externally-sourced names to the Google Drive hook, including wildcard gcs_to_gdrive transfers from buckets writable by less-trusted principals. Users are advised to upgrade to apache-airflow-providers-google 22.6.0 or later, which escapes quote and backslash characters in every value interpolated into a Drive query.

Record
CVE-2026-81914
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-943
Updated
2026-11-02
OSVPYSEC-2026-4187 4.3

Apache Airflow's Google provider built Google Drive search expressions by interpolating file and folder names directly into single-quoted string literals, without escaping the quote character that delimits them. A name containing an apostrophe therefore terminated the literal early and appended clauses of the attacker's choosing to the query.

The names are frequently not written by the Dag author. In a wildcard gcs_to_gdrive transfer they come from the source bucket listing, so anyone able to create objects in that bucket controls them — typically an external data producer or an ingest-only service account, a different trust principal from the Dag author. An injected clause can broaden the match and so steer which file or folder the hook resolves: an upload can be directed into a folder the attacker named, and, because downloads select the most recently modified match, a download can return a file they placed rather than the one the Dag asked for.

Affects deployments passing externally-sourced names to the Google Drive hook, including wildcard gcs_to_gdrive transfers from buckets writable by less-trusted principals. Users are advised to upgrade to apache-airflow-providers-google 22.6.0 or later, which escapes quote and backslash characters in every value interpolated into a Drive query.

Record
PYSEC-2026-4187
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
apache-airflow-providers-google
PyPI
before 22.6.0, plus listed versions
1.0.01.0.0b11.0.0b21.0.0rc110.0.0
Show 45 moreShow less
10.0.0rc110.1.010.1.0rc110.1.0rc210.1.110.1.1rc110.10.010.10.0rc110.10.110.10.1rc110.11.010.11.0rc110.11.110.11.1rc110.12.010.12.0rc110.13.010.13.0rc110.13.0rc210.13.0rc310.13.110.13.1rc110.14.010.14.0rc110.14.0rc210.15.010.15.0rc110.16.010.16.0rc110.17.010.17.0rc110.18.010.18.0rc110.18.0rc210.19.010.19.0rc110.2.010.2.0rc110.20.010.20.0rc110.21.010.21.0rc110.21.110.21.1rc110.21.1rc2
22.6.0

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-81914 is a medium vulnerability (CVSS 4.3) in Apache Apache-airflow-providers-google, published September 29, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.47%, the 40th percentile. Fixed in apache-airflow-providers-google 22.6.0.

References

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Left out here: 176 versions. The JSON record has them.

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