Apache Airflow up to 3.1.7 Execution API authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Apache Airflow up to 3.1.7. It has been rated as critical. This vulnerability affects unknown code of the component Execution API. The manipulation leads to authorization. This vulnerability is referenced as CVE-2026-30911. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apache Airflow up to 3.1.7 and classified as critical. This issue affects an unknown function of the component Execution API. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was published by Kai Aizen. The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-30911 since 03/07/2026. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/22/2026).

Upgrading to version 3.1.8 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at EUVD (EUVD-2026-12566) and CERT Bund (WID-SEC-2026-0755). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Apache Airflow

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 8.1
ADP CISA Vector: 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-862 / CWE-863 / CWE-285
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Airflow 3.1.8
Patch: github.com

Timelineinfo

03/07/2026 CVE reserved
03/17/2026 +10 days Advisory disclosed
03/17/2026 +0 days VulDB entry created
03/22/2026 +5 days VulDB entry last update

Sourcesinfo

Vendor: apache.org
Product: github.com

Advisory: github.com
Researcher: Kai Aizen
Status: Confirmed

CVE: CVE-2026-30911 (🔒)
GCVE (CVE): GCVE-0-2026-30911
GCVE (VulDB): GCVE-100-351365
EUVD: 🔒
CERT Bund: WID-SEC-2026-0755 - Apache Airflow: Mehrere Schwachstellen

Entryinfo

Created: 03/17/2026 14:18
Updated: 03/22/2026 01:23
Changes: 03/17/2026 14:18 (57), 03/17/2026 17:33 (1), 03/17/2026 18:46 (7), 03/22/2026 01:23 (12)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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