CVE-2026-31987: apache software foundation apache airflow
CVSS: 7.5v3.1HighAnalyzed
AliasesGHSA-phv5-vq5p-qhp7BIT-airflow-2026-31987PYSEC-2026-2352
Published 16-04-2026Last modified 18-04-2026
Vulnerability summary
CVE-2026-31987 is a high (CVSS 7.5) vulnerability in apache software foundation apache airflow. EPSS estimates a 0.83% chance of exploitation in the next 30 days, higher than 57% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.83%
0%100%
Low · +0.10 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 16-04-2026PublishedVulnerability first disclosed.
- 18-04-2026Last modifiedVulnerability information updated.
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 metrics
4 scores · 3 sources · 2 versionsMedium 6.9Preferred score · OSV · Pypi (Ecosystem advisory) · calculated from vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:NSourcesSingle source
High 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesAll 3 agree
- OSV · PypiEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.83%
Chance of exploitation in the next 30 days
Percentile
57%
Versus all other CVEs
30-day change
+0.10 pp
From 0.74% on 20-09-2026
20-09-202620-10-2026
EPSS score0.83%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Apache1 product
- airflow≥ 3.0.0, < 3.2.0
Apache software foundation1 product
- apache airflow≥ 3.0.0, < 3.2.0
PyPI1 product
- apache-airflow≥ 3.0.0, < 3.2.0
3 vendors · 3 products
References
9 links- github.com/apache/airflowPACKAGE