CVE-2026-31987
Received Received - Intake
JWT Token Exposure in Apache Airflow Allows Privilege Escalation

Publication date: 2026-04-16

Last updated on: 2026-04-20

Assigner: Apache Software Foundation

Description
JWT Tokens used by tasks were exposed in logs. This could allow UI users to act as Dag Authors. Users are advised to upgrade to Airflow version that contains fix. Users are recommended to upgrade to version 3.2.0, which fixes this issue.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-04-16
Last Modified
2026-04-20
Generated
2026-06-16
AI Q&A
2026-04-16
EPSS Evaluated
2026-06-15
NVD
CVE-2026-31987
EUVD
EUVD-2026-23233
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
apache airflow From 3.0.0 (inc) to 3.2.0 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-532 The product writes sensitive information to a log file.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability involves JWT tokens used by tasks being exposed in logs. Because these tokens were logged, unauthorized UI users could potentially use them to impersonate Dag Authors.

Impact Analysis

The exposure of JWT tokens in logs can allow unauthorized users to gain elevated permissions by acting as Dag Authors. This could lead to unauthorized access or modifications within the Airflow environment.

Mitigation Strategies

Users are advised to upgrade to Airflow version 3.2.0, which contains the fix for this vulnerability.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-31987. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart