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Vulnerability details: VCID-bkwd-x3qh-57ga
Vulnerability ID VCID-bkwd-x3qh-57ga
Aliases BIT-airflow-2026-30911
CVE-2026-30911
GHSA-8x34-9q3v-h7g8
PYSEC-2026-17
Summary Apache Airflow versions 3.1.0 through 3.1.7 missing authorization vulnerability in the Execution API's Human-in-the-Loop (HITL) endpoints that allows any authenticated task instance to read, approve, or reject HITL workflows belonging to any other task instance. Users are recommended to upgrade to Apache Airflow 3.1.8 or later, which resolves this issue.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-862 Missing Authorization
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 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2026-30911
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2026-30911
cvssv3.1 8.1 https://github.com/advisories/GHSA-8x34-9q3v-h7g8
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-8x34-9q3v-h7g8
cvssv3.1 8.1 https://github.com/apache/airflow
generic_textual HIGH https://github.com/apache/airflow
cvssv3.1 8.1 https://github.com/apache/airflow/pull/62886
generic_textual HIGH https://github.com/apache/airflow/pull/62886
ssvc Track https://github.com/apache/airflow/pull/62886
cvssv3.1 8.1 https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2026-17.yaml
generic_textual HIGH https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2026-17.yaml
cvssv3.1 8.1 https://lists.apache.org/thread/1rs2v7fcko2otl6n9ytthcj87cmsgx51
generic_textual HIGH https://lists.apache.org/thread/1rs2v7fcko2otl6n9ytthcj87cmsgx51
ssvc Track https://lists.apache.org/thread/1rs2v7fcko2otl6n9ytthcj87cmsgx51
cvssv3.1 8.1 https://nvd.nist.gov/vuln/detail/CVE-2026-30911
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2026-30911
cvssv3.1 8.1 http://www.openwall.com/lists/oss-security/2026/03/17/2
generic_textual HIGH http://www.openwall.com/lists/oss-security/2026/03/17/2
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-30911
https://github.com/advisories/GHSA-8x34-9q3v-h7g8
https://github.com/apache/airflow
https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2026-17.yaml
https://nvd.nist.gov/vuln/detail/CVE-2026-30911
http://www.openwall.com/lists/oss-security/2026/03/17/2
1rs2v7fcko2otl6n9ytthcj87cmsgx51 https://lists.apache.org/thread/1rs2v7fcko2otl6n9ytthcj87cmsgx51
62886 https://github.com/apache/airflow/pull/62886
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Found at https://github.com/advisories/GHSA-8x34-9q3v-h7g8
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:H/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

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:H/A:N Found at https://github.com/apache/airflow/pull/62886
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/2026-03-17T13:41:43Z/ Found at https://github.com/apache/airflow/pull/62886
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Found at https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2026-17.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

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Found at https://lists.apache.org/thread/1rs2v7fcko2otl6n9ytthcj87cmsgx51
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/2026-03-17T13:41:43Z/ Found at https://lists.apache.org/thread/1rs2v7fcko2otl6n9ytthcj87cmsgx51
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2026-30911
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:H/A:N Found at http://www.openwall.com/lists/oss-security/2026/03/17/2
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 0.1355
EPSS Score 0.00043
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T16:41:51.714267+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2026/30xxx/CVE-2026-30911.json 38.6.0