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MEDIUM severity

CVE-2023-29247 — apache-airflow

MEDIUMFix: apache/airflow#30447

CVE-2023-29247 is a medium-severity (CVSS 5.4) Cross-site Scripting (XSS) vulnerability in apache-airflow. A fix is available for apache-airflow — see the affected versions and patch details below.

Stored XSS on Apache Airflow

Also known asBIT-airflow-2023-29247GHSA-vcf6-3wv2-5vcrPYSEC-2023-60
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 5, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2023-29247.

EPSS Exploitation Probability

via FIRST.org ↗
2.0%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs81th percentile — riskier than 81% of all scored CVEsHighest risk
0.00%0.83%1.66%2.48%0.5%2.0%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐍apache-airflow

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

Task instance details page in the UI is vulnerable to stored cross-site scripting. This issue affects Apache Airflow before 2.6.0.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPIapache-airflowall versions2.6.0pip install --upgrade 'apache-airflow==2.6.0'

Affected Products

1 product · 1 configurations
Application
airflowapache
< 2.6.0
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for apache-airflow, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update apache-airflow to 2.6.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2023-29247 is resolved across your whole dependency graph.

  3. Workarounds

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

Task instance details page in the UI is vulnerable to stored cross-site scripting. This issue affects Apache Airflow before 2.6.0.
O3 Security · Impact-Aware SCA

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CVE-2023-29247: apache-airflow XSS — Fixed in 2.6.0