Vulnerability · Published Apr 16, 2026 · Assigned by apache
CVE-2026-31987Apache Airflow: JWT token appearing in logs
High 7.5
In plain English
A high-severity sensitive data in logs in Apache Airflow from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.7%top 45.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | apache-airflow | 3.2.0 | GHSA-phv5-vq5p-qhp7 |
| PyPI | apache-airflow | 3.2.0 | PYSEC-2026-2352 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Airflow | 3.0.0 – before 3.2.0 |
Weakness: CWE-532 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- https://github.com/apache/airflow/pull/62964 patch
- https://github.com/apache/airflow/issues/62428 issue-tracking
- https://github.com/apache/airflow/issues/62773 issue-tracking
- https://lists.apache.org/thread/pvsrtxzwo9xy6xgknmwslv4zrw70kt6g vendor-advisory
- http://www.openwall.com/lists/oss-security/2026/04/16/7