Is CVE-2025-66388 in the CISA KEV catalog?

No. CVE-2025-66388 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-66388?

CVE-2025-66388 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2025-66388?

CVE-2025-66388 has an EPSS score of 0.41% (33th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-66388?

Upgrade airflow to 3.1.4 or later.

CVE & CISA-KEV Catalog

CVE-2025-66388

MEDIUM

6.5

CVSS v3

NVD

Description

A vulnerability in Apache Airflow allowed authenticated UI users to view secret values in rendered templates due to secrets not being properly redacted, potentially exposing secrets to users without the appropriate authorization. Users are recommended to upgrade to version 3.1.4, which fixes this issue.

CWE-201

How to fix

Remediation Available

airflowNVD

Affected:>= 3.1.0, < 3.1.4Fixed in:3.1.4CVE-2025-66388derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.41%probability of exploitation in 30 days

33rdpercentile

Low risk: more likely to be exploited than 33% of all known CVEs.

References

Vendor Advisory1

lists.apache.org

Third-Party Advisory1

openwall.com

Issue Tracking1

github.com

Related Vulnerabilities

Other CWE-201 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-16026	Medium	5.9	2.6%	-	Fix
CVE-2020-26085	Critical	9.9	2.5%	-	Fix
CVE-2017-2582	Medium	6.5	2.5%	-	Fix
CVE-2022-27779	Medium	5.3	2.4%	-	Fix
CVE-2024-32825	High	7.5	2.0%	-	-
CVE-2016-10518	High	7.5	2.0%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-16.