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Vulnerability record · CVE-2020-13944 · published 17 September 2020

CVE-2020-13944: Apache airflow cross-site scripting vulnerability

Apache · Airflow

In Apache Airflow < 1.10.12, the "origin" parameter passed to some of the endpoints like '/trigger' was vulnerable to XSS exploit.

6.1 CVSS 3.1 Medium EPSS 25% · top 2.1% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score, v2 4.3
25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
18References
17 Jun 2026Last modified by NVD

Description

In Apache Airflow < 1.10.12, the "origin" parameter passed to some of the endpoints like '/trigger' was vulnerable to XSS exploit.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2020/12/11/2 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2021/05/01/2 Mailing ListThird Party Advisory
https://lists.apache.org/thread.html/r2892ef594dbbf54d0939b808626f52f7c2d1584f8aa1d81570847d2a%40%3Cannounce.apache.org%
https://lists.apache.org/thread.html/r2892ef594dbbf54d0939b808626f52f7c2d1584f8aa1d81570847d2a%40%3Cdev.airflow.apache.o
https://lists.apache.org/thread.html/r2892ef594dbbf54d0939b808626f52f7c2d1584f8aa1d81570847d2a%40%3Cusers.airflow.apache
https://lists.apache.org/thread.html/r4656959c8ed06c1f6202d89aa4e67b35ad7bdba5a666caff3fea888e%40%3Cusers.airflow.apache
https://lists.apache.org/thread.html/r97e1b60ca508a86be58c43f405c0c8ff00ba467ba0bee68704ae7e3e%40%3Cdev.airflow.apache.o Issue TrackingMailing ListVendor Advisory
https://lists.apache.org/thread.html/ra8ce70088ba291f358e077cafdb14d174b7a1ce9a9d86d1b332d6367%40%3Cusers.airflow.apache
https://lists.apache.org/thread.html/rc005f4de9d9b0ba943ceb8ff5a21a5c6ff8a9df52632476698d99432%40%3Cannounce.apache.org%
http://www.openwall.com/lists/oss-security/2020/12/11/2 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2021/05/01/2 Mailing ListThird Party Advisory
https://lists.apache.org/thread.html/r2892ef594dbbf54d0939b808626f52f7c2d1584f8aa1d81570847d2a%40%3Cannounce.apache.org%
https://lists.apache.org/thread.html/r2892ef594dbbf54d0939b808626f52f7c2d1584f8aa1d81570847d2a%40%3Cdev.airflow.apache.o
https://lists.apache.org/thread.html/r2892ef594dbbf54d0939b808626f52f7c2d1584f8aa1d81570847d2a%40%3Cusers.airflow.apache
https://lists.apache.org/thread.html/r4656959c8ed06c1f6202d89aa4e67b35ad7bdba5a666caff3fea888e%40%3Cusers.airflow.apache
https://lists.apache.org/thread.html/r97e1b60ca508a86be58c43f405c0c8ff00ba467ba0bee68704ae7e3e%40%3Cdev.airflow.apache.o Issue TrackingMailing ListVendor Advisory
https://lists.apache.org/thread.html/ra8ce70088ba291f358e077cafdb14d174b7a1ce9a9d86d1b332d6367%40%3Cusers.airflow.apache
https://lists.apache.org/thread.html/rc005f4de9d9b0ba943ceb8ff5a21a5c6ff8a9df52632476698d99432%40%3Cannounce.apache.org%

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-13927Apache Airflow Experimental API missing authentication by defaultAirflow's Experimental API defaulted to allowing all requests without authentication, so any reachable instance exposed its API to unauthenticated ca…KEVEPSS 100%analysed8.8CVE-2020-11978Apache Airflow example DAG command injectionApache Airflow 1.10.10 and below ship an example DAG containing an OS command injection flaw. Any authenticated user can execute arbitrary commands a…KEVEPSS 99%analysed9.8CVE-2026-33264Apache airflow deserialization of untrusted data vulnerabilityA bug in `BaseSerialization.deserialize()` allowed unrestricted `import_string()` of attacker-controlled class paths when the Scheduler / API Server …EPSS 1.6%9.8CVE-2023-25754Apache airflow vulnerabilityPrivilege Context Switching Error vulnerability in Apache Software Foundation Apache Airflow.This issue affects Apache Airflow: before 2.6.0.EPSS 2.3%9.8CVE-2023-22884Apache airflow command injection vulnerabilityImproper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Apache Software Foundation Apache Airflow, Apach…EPSS 11%9.8CVE-2022-40189Apache airflow os command injection vulnerabilityImproper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Apache Airflow Pig Provider, Apache Airfl…EPSS 4.1%9.8CVE-2022-38649Apache airflow os command injection vulnerabilityImproper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Apache Airflow Pinot Provider, Apache Air…EPSS 3.3%9.8CVE-2022-38054Apache airflow vulnerabilityIn Apache Airflow versions 2.2.4 through 2.3.3, the `database` webserver session backend was susceptible to session fixation.EPSS 2.1%

Source: NIST National Vulnerability Database (record CVE-2020-13944), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.