7.2

CVE-2026-25917: apache software foundation apache airflow Deserialization of Untrusted Data

CVSS: 7.2v3.1HighModified
AliasesGHSA-6ffj-2wg2-w45jBIT-airflow-2026-25917PYSEC-2026-13
Published 18-04-2026Last modified 22-04-2026
Open JSON

Vulnerability summary

CVE-2026-25917 is a high (CVSS 7.2) Deserialization of Untrusted Data vulnerability in apache software foundation apache airflow. EPSS estimates a 1.12% chance of exploitation in the next 30 days, higher than 65.6% of scored vulnerabilities.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.2/10
010
High · v3.1 (CVE.org)
EPSS score
1.12%
0%100%
Low · +0.29 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 18-04-2026
    PublishedVulnerability first disclosed.
  2. 22-04-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

1.12%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

+0.29 pp

From 0.82% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.12%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

PyPI2 products
  • apache-airflow< 3.2.0
  • apache-airflow-core< 3.2.0
Apache1 product
Apache software foundation1 product

3 vendors · 4 products

References

8 links