PT-2026-33583 · Apache · Apache Airflow

Amogh Desai + 1 · Published 2026-04-17 · Updated 2026-04-23 · CVE-2026-25917

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Apache Airflow versions prior to 3.2.0

Description Dag Authors can craft an XCom payload that allows the webserver to execute arbitrary code, bypassing the restriction that normally prevents them from executing code in the webserver context.

Recommendations Upgrade to Apache Airflow 3.2.0.

Fix

DoS

RCE

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

BIT-AIRFLOW-2026-25917

CVE-2026-25917

GHSA-6FFJ-2WG2-W45J

PYSEC-2026-13

Affected Products

Apache Airflow

References · 14

• https://github.com/apache/airflow/pull/61641 · Patch
• https://osv.dev/vulnerability/BIT-airflow-2026-25917 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2026-13 · Vendor Advisory
• https://lists.apache.org/thread/6whgpkqbh12rvpfmvcg8b0vwlv4hq3po · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-6ffj-2wg2-w45j · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-25917 · Security Note
• https://github.com/apache/airflow · Note
• https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2026-13.yaml · Note
• https://twitter.com/UpwindMDR/status/2046463988293095718 · Twitter Post
• https://twitter.com/CVEnew/status/2045467318436700606 · Twitter Post
• http://openwall.com/lists/oss-security/2026/04/17/9 · Note
• https://twitter.com/oss_security/status/2045900926565675377 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2045260584208244760 · Twitter Post
• https://twitter.com/pulsepatchio/status/2047155664166797343 · Twitter Post