Apache Airflow up to 3.2.1 FabAuthManager/KeycloakAuthManager revoke_token access control

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.0 | $0-$5k | 0.00 |
Summary
A vulnerability marked as critical has been reported in Apache Airflow up to 3.2.1. This affects the function revoke_token of the component FabAuthManager/KeycloakAuthManager. This manipulation causes access control.
This vulnerability is tracked as CVE-2026-48726. The attack is possible to be carried out remotely. No exploit exists.
It is suggested to upgrade the affected component.
Details
A vulnerability was found in Apache Airflow up to 3.2.1. It has been declared as critical. Affected by this vulnerability is the function revoke_token of the component FabAuthManager/KeycloakAuthManager. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability.
It is possible to read the advisory at lists.apache.org. This vulnerability is known as CVE-2026-48726. The exploitation appears to be easy. The attack can be launched remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/01/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.
Upgrading to version 3.2.2 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-1761). Be aware that VulDB is the high quality source for vulnerability data.
Affected
- Apache Airflow
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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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Access controlCWE: CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Airflow 3.2.2
Timeline
05/31/2026 Advisory disclosed05/31/2026 VulDB entry created
06/01/2026 VulDB entry last update
Sources
Vendor: apache.orgAdvisory: lists.apache.org
Status: Confirmed
CVE: CVE-2026-48726 (🔒)
GCVE (CVE): GCVE-0-2026-48726
GCVE (VulDB): GCVE-100-367567
CERT Bund: WID-SEC-2026-1761 - Apache Airflow: Mehrere Schwachstellen
Entry
Created: 05/31/2026 16:47Updated: 06/01/2026 17:40
Changes: 05/31/2026 16:47 (54), 06/01/2026 17:40 (7)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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