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Airflow CVE-2023-39508

HIGH
Information Exposure (CWE-200)
2023-08-05 security@apache.org
8.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection Data exposure prevention
MITRE ATT&CK

2 techniques across 2 tactics: Collection, Discovery

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required.

Exploit ScenarioDerived

A remote attacker could access sensitive data that should not be disclosed by sending crafted requests to the affected application.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 2.4% exploitation probability (EPSS)

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AnalysisAI

Execution with Unnecessary Privileges, : Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Software Foundation Apache Airflow.The "Run Task" feature enables. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.

Affected Packages

pypi apache-airflow fix: 2.6.0b1, 2.6.0

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in pypi

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. Execution with Unnecessary Privileges, : Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Software Foundation Apache Airflow.The "Run Task" feature enables authenticated user to bypass some of the restrictions put in place. It allows to execute code in the webserver context as well as allows to bypas limitation of access the user has to certain DAGs. The "Run Task" feature is considered dangerous and it has been removed entirely in Airflow 2.6.06.0. Affected products include: Apache Airflow. Version information: before 2.6.0..

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

Execution with Unnecessary Privileges, : Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Software Foundation Apache Airflow.The "Run Task" feature enables authenticated user to bypass some of the restrictions put in place. It allows to execute code in the webserver context as well as allows to bypas limitation of access the user has to certain DAGs. The "Run Task" feature is considered dangerous and it has been removed entirely in Airflow 2.6.0

This issue affects Apache Airflow: before 2.6.0.

Threat Intelligence Overview

EPSS Score
2.4%
Top 18% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 2.4%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

46
Low Medium High Critical
KEV: 0
EPSS: +2
CVSS: +44
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*
CVE-2020-13927 CRITICAL POC
9.8 Nov 10

The previous default setting for Airflow's Experimental API was to allow all API requests without authentication, but th

CVE-2020-11978 HIGH POC
8.8 Jul 17

An issue was found in Apache Airflow versions 1.10.10 and below. Rated high severity (CVSS 8.8), this vulnerability is r

CVE-2021-38540 CRITICAL POC
9.8 Sep 09

The variable import endpoint was not protected by authentication in Airflow >=2.0.0, <2.1.3. Rated critical severity (CV

CVE-2020-11981 CRITICAL POC
9.8 Jul 17

An issue was found in Apache Airflow versions 1.10.10 and below. Rated critical severity (CVSS 9.8), this vulnerability

CVE-2022-40127 HIGH POC
8.8 Nov 14

A vulnerability in Example Dags of Apache Airflow allows an attacker with UI access who can trigger DAGs, to execute arb

CVE-2022-24288 HIGH POC
8.8 Feb 25

In Apache Airflow, prior to version 2.2.4, some example DAGs did not properly sanitize user-provided params, making them

CVE-2020-17526 HIGH POC
7.7 Dec 21

Incorrect Session Validation in Apache Airflow Webserver versions prior to 1.10.14 with default config allows a maliciou

CVE-2026-82311 CRITICAL
9.8 Sep 15

Insufficient session expiration in apache-airflow-providers-fab 2.4.2 through 3.9.0 means an attacker who already holds

CVE-2026-76187 CRITICAL
9.8 Sep 15

Authentication bypass in the Apache Airflow Keycloak auth manager provider (apache-airflow-providers-keycloak below 0.10

CVE-2023-25754 CRITICAL
9.8 May 08

Privilege Context Switching Error vulnerability in Apache Software Foundation Apache Airflow.6.0. Rated critical severit

CVE-2023-22884 CRITICAL
9.8 Jan 21

Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Apache Software Fou

CVE-2022-40189 CRITICAL
9.8 Nov 22

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Apache Airfl

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