How severe is CVE-2026-26929?

CVE-2026-26929 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-26929 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-26929?

CVE-2026-26929 affects Apache Airflow. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-26929?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-26929 have an EU (EUVD) identifier?

Yes. CVE-2026-26929 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12562.

When was CVE-2026-26929 published?

CVE-2026-26929 was published on 2026-03-17 and last updated on 2026-06-17.

CVE-2026-26929

CVE-2026-26929 is a medium-severity vulnerability in Apache Airflow with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-12562
Weakness: CWE-732
Affected product: Apache Airflow
Published: 2026-03-17
Last modified: 2026-06-17

Description

Apache Airflow versions 3.0.0 through 3.1.7 FastAPI DagVersion listing API does not apply per-DAG authorization filtering when the request is made with dag_id set to "~" (wildcard for all DAGs). As a result, version metadata of DAGs that the requester is not authorized to access is returned. Users are recommended to upgrade to Apache Airflow 3.1.8 or later, which resolves this issue.

Frequently asked questions

What is CVE-2026-26929?: Apache Airflow versions 3.0.0 through 3.1.7 FastAPI DagVersion listing API does not apply per-DAG authorization filtering when the request is made with dag_id set to "~" (wildcard for all DAGs). As a result, version metadata of DAGs that the requester is not authorized to access is returned. Users are recommended to upgrade to Apache Airflow 3.1.8 or later, which resolves this issue.
How severe is CVE-2026-26929?: CVE-2026-26929 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-26929 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-26929?: CVE-2026-26929 affects Apache Airflow. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-26929?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-26929 have an EU (EUVD) identifier?: Yes. CVE-2026-26929 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12562.
When was CVE-2026-26929 published?: CVE-2026-26929 was published on 2026-03-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*

More vulnerabilities in Apache Airflow

CVE-2023-25754 — Critical (CVSS 9.8): Privilege Context Switching Error vulnerability in Apache Software Foundation Apache Airflow.This issue affects Apache…
CVE-2023-22884 — Critical (CVSS 9.8): Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Apache Software…
CVE-2022-40189 — Critical (CVSS 9.8): Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Apache…
CVE-2022-38649 — Critical (CVSS 9.8): Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Apache…
CVE-2022-38054 — Critical (CVSS 9.8): In Apache Airflow versions 2.2.4 through 2.3.3, the `database` webserver session backend was susceptible to session…
CVE-2021-38540 — Critical (CVSS 9.8): The variable import endpoint was not protected by authentication in Airflow >=2.0.0, <2.1.3. This allowed…

All CVEs affecting Apache Airflow →

Other CWE-732 (Incorrect Permission Assignment for Critical Resource) vulnerabilities

CVE-2026-9508 — Critical (CVSS 10.0): Incorrect permission settings on a critical resource in Suprema BioStar 2 (versions 2.9.3 through 2.9.11) that allow…
CVE-2025-14988 — Critical (CVSS 10.0): A security issue has been identified in ibaPDA that could allow unauthorized actions on the file system under certain…
CVE-2025-69426 — Critical (CVSS 10.0): The Ruckus vRIoT IoT Controller firmware versions prior to 3.0.0.0 (GA) contain hardcoded credentials for an operating…
CVE-2025-12004 — Critical (CVSS 10.0): Incorrect Permission Assignment for Critical Resource vulnerability in The Wikimedia Foundation Mediawiki - Lockdown…
CVE-2014-125121 — Critical (CVSS 10.0): Array Networks vAPV (version 8.3.2.17) and vxAG (version 9.2.0.34) appliances are affected by a privilege escalation…
CVE-2025-46093 — Critical (CVSS 9.9): LiquidFiles before 4.1.2 supports FTP SITE CHMOD for mode 6777 (setuid and setgid), which allows FTPDrop users to…

Browse all CWE-732 (Incorrect Permission Assignment for Critical Resource) vulnerabilities →