0.0
NA
CVE-2026-25917
Apache Airflow: API extra-links triggers XCom deserialization/class instantiation (Airflow 3.1.5)
Description

Dag Authors, who normally should not be able to execute code in the webserver context could craft XCom payload causing the webserver to execute arbitrary code. Since Dag Authors are already highly trusted, severity of this issue is Low. Users are recommended to upgrade to Apache Airflow 3.2.0, which fixes the issue.

INFO

Published Date :

April 18, 2026, 7:16 a.m.

Last Modified :

April 18, 2026, 7:16 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-25917 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
Upgrade Apache Airflow to version 3.2.0 or later to remediate.
  • Upgrade Apache Airflow to version 3.2.0.
  • Apply vendor-provided patches or updates.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-25917.

URL Resource
https://github.com/apache/airflow/pull/61641
https://lists.apache.org/thread/6whgpkqbh12rvpfmvcg8b0vwlv4hq3po
http://www.openwall.com/lists/oss-security/2026/04/17/9
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-25917 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-25917 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-25917 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-25917 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Apr. 18, 2026

    Action Type Old Value New Value
    Added Description Dag Authors, who normally should not be able to execute code in the webserver context could craft XCom payload causing the webserver to execute arbitrary code. Since Dag Authors are already highly trusted, severity of this issue is Low. Users are recommended to upgrade to Apache Airflow 3.2.0, which fixes the issue.
    Added CWE CWE-502
    Added Reference https://github.com/apache/airflow/pull/61641
    Added Reference https://lists.apache.org/thread/6whgpkqbh12rvpfmvcg8b0vwlv4hq3po
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Apr. 18, 2026

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2026/04/17/9
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.