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Vulnerability details: VCID-u2bm-499h-2qfh
Vulnerability ID VCID-u2bm-499h-2qfh
Aliases BIT-airflow-2025-66388
CVE-2025-66388
GHSA-fv47-pqh6-wxgq
PYSEC-2025-86
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-201 Insertion of Sensitive Information Into Sent Data
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00041 https://api.first.org/data/v1/epss?cve=CVE-2025-66388
epss 0.00041 https://api.first.org/data/v1/epss?cve=CVE-2025-66388
epss 0.00041 https://api.first.org/data/v1/epss?cve=CVE-2025-66388
cvssv3.1 6.5 https://github.com/advisories/GHSA-fv47-pqh6-wxgq
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-fv47-pqh6-wxgq
cvssv3.1 6.5 https://github.com/apache/airflow
generic_textual MODERATE https://github.com/apache/airflow
cvssv3.1 6.5 https://github.com/apache/airflow/pull/58767
generic_textual MODERATE https://github.com/apache/airflow/pull/58767
cvssv3.1 4.3 https://github.com/apache/airflow/pull/58772
cvssv3.1 6.5 https://github.com/apache/airflow/pull/58772
generic_textual MODERATE https://github.com/apache/airflow/pull/58772
ssvc Track https://github.com/apache/airflow/pull/58772
cvssv3.1 6.5 https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2025-86.yaml
generic_textual MODERATE https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2025-86.yaml
cvssv3.1 4.3 https://lists.apache.org/thread/mv9hzsx8grjf7gdlkxwppnpbtogtls2g
cvssv3.1 6.5 https://lists.apache.org/thread/mv9hzsx8grjf7gdlkxwppnpbtogtls2g
generic_textual MODERATE https://lists.apache.org/thread/mv9hzsx8grjf7gdlkxwppnpbtogtls2g
ssvc Track https://lists.apache.org/thread/mv9hzsx8grjf7gdlkxwppnpbtogtls2g
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2025-66388
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2025-66388
cvssv3.1 6.5 http://www.openwall.com/lists/oss-security/2025/12/12/1
generic_textual MODERATE http://www.openwall.com/lists/oss-security/2025/12/12/1
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2025-66388
https://github.com/apache/airflow
https://github.com/apache/airflow/pull/58767
https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2025-86.yaml
http://www.openwall.com/lists/oss-security/2025/12/12/1
58772 https://github.com/apache/airflow/pull/58772
CVE-2025-66388 https://nvd.nist.gov/vuln/detail/CVE-2025-66388
GHSA-fv47-pqh6-wxgq https://github.com/advisories/GHSA-fv47-pqh6-wxgq
mv9hzsx8grjf7gdlkxwppnpbtogtls2g https://lists.apache.org/thread/mv9hzsx8grjf7gdlkxwppnpbtogtls2g
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/advisories/GHSA-fv47-pqh6-wxgq
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/apache/airflow
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

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none

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low

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none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/apache/airflow/pull/58767
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

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none

required

unchanged

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none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://github.com/apache/airflow/pull/58772
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

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none

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low

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high

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none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/apache/airflow/pull/58772
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-12-15T15:10:01Z/ Found at https://github.com/apache/airflow/pull/58772
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2025-86.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

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none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://lists.apache.org/thread/mv9hzsx8grjf7gdlkxwppnpbtogtls2g
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

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none

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none

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none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://lists.apache.org/thread/mv9hzsx8grjf7gdlkxwppnpbtogtls2g
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-12-15T15:10:01Z/ Found at https://lists.apache.org/thread/mv9hzsx8grjf7gdlkxwppnpbtogtls2g
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2025-66388
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at http://www.openwall.com/lists/oss-security/2025/12/12/1
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.12712
EPSS Score 0.00041
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T16:59:40.986636+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2025/66xxx/CVE-2025-66388.json 38.6.0