CVE-2026-81930: Apache Airflow's Snowflake provider did not validate the connection's `account` and `region` fields before int

Q: How do I fix CVE-2026-81930?

apache-airflow-providers-snowflake: upgrade to 6.18.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-81930 being exploited?

CVE-2026-81930 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-81930 affect?

CVE-2026-81930 affects apache-airflow-providers-snowflake. Severity is medium (CVSS 6.3). Apache Airflow's Snowflake provider did not validate the connection's `account` and `region` fields before interpolating them into request URLs. The SQL API endpoint is built as `https://{account}.snowflakecomputing.com/api/v2/statements`,

Q: How urgent is CVE-2026-81930?

Priority 36/100. On your watchlist

Routine

MEDIUM 6.3WATCHLISTUPGRADE

CVE-2026-81930 is a medium-severity flaw (CVSS 6.3) affecting apache-airflow-providers-snowflake. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Apache Airflow's Snowflake provider did not validate the connection's `account` and `region` fields before interpolating them into request URLs. The SQL API endpoint is built as `https://{account}.snowflakecomputing.com/api/v2/statements`, so an `account` value containing `/`, `?` or `#` demotes the intended domain to a path, query or fragment and leaves the attacker in control of the request host. The provider sends that request with an `Author

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-522
Published	2026-09-29
Last modified	2026-10-07

Publisher (CNA): Apache Software Foundation · Vendor: apache

Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-29 10:17 UTCPublished CVE record published
2026-10-07 19:57 UTCUpdated Record last modified

apache apache-airflow-providers-snowflake UPGRADE

Affected: < 6.18.0

Fixed in: 6.18.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy apache-airflow-providers-snowflake || rpm -q apache-airflow-providers-snowflake || apache-airflow-providers-snowflake --version

2. UPGRADE to 6.18.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade apache-airflow-providers-snowflake

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade apache-airflow-providers-snowflake

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-81930?

apache-airflow-providers-snowflake: upgrade to 6.18.0. Exact commands for each OS are on this page.

Is CVE-2026-81930 being exploited?

CVE-2026-81930 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-81930 affect?

CVE-2026-81930 affects apache-airflow-providers-snowflake. Severity is medium (CVSS 6.3). Apache Airflow's Snowflake provider did not validate the connection's `account` and `region` fields before interpolating them into request URLs. The SQL API endpoint is built as `https://{account}.snowflakecomputing.com/api/v2/statements`,

How urgent is CVE-2026-81930?

Priority 36/100. On your watchlist

Software pages

Apache Airflow vulnerabilities

References

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