Apache Airflow up to 3.1.x BashOperator dag_run.conf injection

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.0 | $0-$5k | 5.90- |
Summary
A vulnerability marked as critical has been reported in Apache Airflow up to 3.1.x. Affected by this vulnerability is an unknown functionality of the file dag_run.conf of the component BashOperator. The manipulation leads to injection. This vulnerability is documented as CVE-2026-30898. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.
Details
A vulnerability was found in Apache Airflow up to 3.1.x and classified as critical. This issue affects an unknown code of the file dag_run.conf of the component BashOperator. The manipulation with an unknown input leads to a injection vulnerability. Using CWE to declare the problem leads to CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.
The advisory is shared at lists.apache.org. The identification of this vulnerability is CVE-2026-30898. The exploitation is known to be easy. The attack may be initiated remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/17/2026). MITRE ATT&CK project uses the attack technique T1055 for this issue.
Upgrading to version 3.2.0 eliminates this vulnerability.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.apache.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: InjectionCWE: CWE-74 / CWE-707 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Airflow 3.2.0
Timeline
04/17/2026 Advisory disclosed04/17/2026 VulDB entry created
04/17/2026 VulDB entry last update
Sources
Vendor: apache.orgAdvisory: lists.apache.org
Status: Confirmed
CVE: CVE-2026-30898 (🔒)
GCVE (CVE): GCVE-0-2026-30898
GCVE (VulDB): GCVE-100-358061
Entry
Created: 04/17/2026 13:05Changes: 04/17/2026 13:05 (54)
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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