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CVE-2026-30911

Apache Airflow: Execution API HITL Endpoints Missing Per-Task Authorization

8.1 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
None

Exploit likelihood

0.56%Up 0.5 points since Mar 17, 2026
90%50%10%1%

What each source reports

CVE List Score used 8.1

Apache Airflow: Execution API HITL Endpoints Missing Per-Task Authorization

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.

Record
CVE-2026-30911
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-862
Updated
2026-11-03
EUVDEUVD-2026-12566 8.1

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.

Record
EUVD-2026-12566
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-8x34-9q3v-h7g8 8.1

Apache Airflow: Execution API HITL Endpoints Missing Per-Task Authorization

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.

Record
GHSA-8x34-9q3v-h7g8
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-862
Updated
2026-11-02
NVD 8.1

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.

Record
CVE-2026-30911
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-862
Updated
2026-11-03
OSV 8.1

Apache Airflow: Execution API HITL Endpoints Missing Per-Task Authorization

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.

Record
CVE-2026-30911
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-862
Updated
2026-11-04
OSVGHSA-8x34-9q3v-h7g8 8.1

Apache Airflow: Execution API HITL Endpoints Missing Per-Task Authorization

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.

Record
GHSA-8x34-9q3v-h7g8
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-862
Updated
2026-11-02
OSVPYSEC-2026-17 8.1

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.

Record
PYSEC-2026-17
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Updated
2026-11-02
OSVBIT-airflow-2026-30911 No score

Apache Airflow: Execution API HITL Endpoints Missing Per-Task Authorization

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.

Record
BIT-airflow-2026-30911
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
apache-airflow
PyPI
 3.1.0 up to 3.1.8
3.1.8
airflow
Bitnami
 3.1.0 up to 3.1.8
3.1.8
apache-airflow
PyPI
 3.1.0 up to 3.1.8, plus listed versions
3.1.13.1.1rc13.1.1rc23.1.23.1.2rc1
Show 15 moreShow less
3.1.2rc23.1.33.1.3rc13.1.43.1.4rc13.1.4rc23.1.53.1.5rc13.1.63.1.6rc13.1.73.1.7rc13.1.7rc23.1.8rc13.1.8rc2
3.1.8

History

History
RecordedChangedSources
factsCVE List, EUVD, NVD, OSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-30911 is a high vulnerability (CVSS 8.1) in Apache Airflow, published March 17, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 46th percentile. Fixed in apache-airflow 3.1.8.

References

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