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Vulnerability details: VCID-kmz1-dm9f-d7hj
Vulnerability ID VCID-kmz1-dm9f-d7hj
Aliases CVE-2026-30911
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 None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2026-30911
cvssv3.1 8.1 https://github.com/apache/airflow/pull/62886
cvssv3.1 8.1 https://lists.apache.org/thread/1rs2v7fcko2otl6n9ytthcj87cmsgx51
cvssv3.1 8.1 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/apache/airflow/pull/62886
https://lists.apache.org/thread/1rs2v7fcko2otl6n9ytthcj87cmsgx51
http://www.openwall.com/lists/oss-security/2026/03/17/2
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/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: 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: 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 0.13548
EPSS Score 0.00043
Published At May 30, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-30T20:37:39.618677+00:00 Pypa Importer Import https://github.com/pypa/advisory-database/blob/main/vulns/apache-airflow/PYSEC-2026-17.yaml 38.6.0