CVE-2026-31987
Apache Airflow: JWT token appearing in logs
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.
INFO
Published Date :
April 16, 2026, 2:16 p.m.
Last Modified :
April 20, 2026, 4:54 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Upgrade Airflow to version 3.2.0.
- Review and secure log configurations.
- Implement stricter access controls.
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-2026-31987.
| URL | Resource |
|---|---|
| https://github.com/apache/airflow/issues/62428 | Issue Tracking |
| https://github.com/apache/airflow/issues/62773 | Issue Tracking |
| https://github.com/apache/airflow/pull/62964 | Issue Tracking Third Party Advisory Patch |
| https://lists.apache.org/thread/pvsrtxzwo9xy6xgknmwslv4zrw70kt6g | Mailing List Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2026/04/16/7 | Mailing List Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-31987 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-2026-31987
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-2026-31987 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-31987 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.
-
Initial Analysis by [email protected]
Apr. 20, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:* versions from (including) 3.0.0 up to (excluding) 3.2.0 Added Reference Type Apache Software Foundation: https://github.com/apache/airflow/issues/62428 Types: Issue Tracking Added Reference Type Apache Software Foundation: https://github.com/apache/airflow/issues/62773 Types: Issue Tracking Added Reference Type Apache Software Foundation: https://github.com/apache/airflow/pull/62964 Types: Issue Tracking, Patch, Third Party Advisory Added Reference Type Apache Software Foundation: https://lists.apache.org/thread/pvsrtxzwo9xy6xgknmwslv4zrw70kt6g Types: Mailing List, Vendor Advisory Added Reference Type CVE: http://www.openwall.com/lists/oss-security/2026/04/16/7 Types: Mailing List, Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Apr. 18, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Apr. 16, 2026
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2026/04/16/7 -
New CVE Received by [email protected]
Apr. 16, 2026
Action Type Old Value New Value Added 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. Added CWE CWE-532 Added Reference https://github.com/apache/airflow/issues/62428 Added Reference https://github.com/apache/airflow/issues/62773 Added Reference https://github.com/apache/airflow/pull/62964 Added Reference https://lists.apache.org/thread/pvsrtxzwo9xy6xgknmwslv4zrw70kt6g