Free and open · new CVEs checked every 20 minutesStatusRSSOpen dataContact

CVE-2026-86843: The Apache Airflow Teradata provider's compute-cluster example Dag declared every one of its Dag Params as unc

44
This month
MEDIUM 6.3WATCHLISTUPGRADE

CVE-2026-86843 is a medium-severity flaw (CVSS 6.3) affecting apache-airflow-providers-teradata. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Apache Airflow Teradata provider's compute-cluster example Dag declared every one of its Dag Params as unconstrained free text and templated them straight into the compute-cluster operators, which interpolate those values into Teradata DDL. A user who is permitted to trigger that Dag - a lower-trust role than the Dag author, and one that needs no Teradata credentials of its own - could therefore supply SQL fragments that execute under the con

Why this priority

  • Public exploit reference
  • On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score6.3 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.6% (top 54%)
CISA exploited listNo
WeaknessCWE-89
Published2026-09-29
Last modified2026-10-07
Publisher (CNA): Apache Software Foundation · Vendor: apache

Share: LinkedIn · X · Reddit

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

Am I affected?

Timeline

apache apache-airflow-providers-teradata UPGRADE
Affected: < 3.7.0
Fixed in: 3.7.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy apache-airflow-providers-teradata || rpm -q apache-airflow-providers-teradata || apache-airflow-providers-teradata --version
2. UPGRADE to 3.7.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade apache-airflow-providers-teradata
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade apache-airflow-providers-teradata
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-2026-86843?

apache-airflow-providers-teradata: upgrade to 3.7.0. Exact commands for each OS are on this page.

Is CVE-2026-86843 being exploited?

CVE-2026-86843 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-2026-86843 affect?

CVE-2026-86843 affects apache-airflow-providers-teradata. Severity is medium (CVSS 6.3). The Apache Airflow Teradata provider's compute-cluster example Dag declared every one of its Dag Params as unconstrained free text and templated them straight into the compute-cluster operators, which interpolate those values into Teradata

How urgent is CVE-2026-86843?

Priority 44/100. Public exploit reference; On your watchlist

Software pages

Apache Airflow vulnerabilities

Related CVEs

References

← Back to latest CVEs

Get the weekly exploited-CVE digest by emailThe CVEs being attacked this week and how to fix them. No spam, unsubscribe any time.