How severe is CVE-2026-31987?

CVE-2026-31987 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-31987 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-31987?

CVE-2026-31987 affects Apache Airflow. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-31987?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-31987 have an EU (EUVD) identifier?

Yes. CVE-2026-31987 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-23233.

When was CVE-2026-31987 published?

CVE-2026-31987 was published on 2026-04-16 and last updated on 2026-06-17.

CVE-2026-31987

CVE-2026-31987 is a high-severity vulnerability in Apache Airflow with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-532.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-23233
Weakness: CWE-532
Affected product: Apache Airflow
Published: 2026-04-16
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-31987?: 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.
How severe is CVE-2026-31987?: CVE-2026-31987 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-31987 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-31987?: CVE-2026-31987 affects Apache Airflow. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-31987?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-31987 have an EU (EUVD) identifier?: Yes. CVE-2026-31987 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-23233.
When was CVE-2026-31987 published?: CVE-2026-31987 was published on 2026-04-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*

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