VDB-351361 · CVE-2026-28779 · WID-SEC-2026-0755

Apache Airflow up to 3.1.7 HTTP Request Header exposure of resource

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Apache Airflow up to 3.1.7 and classified as problematic. Affected is an unknown function of the component HTTP Request Header Handler. This manipulation causes exposure of resource. This vulnerability is handled as CVE-2026-28779. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in Apache Airflow up to 3.1.7. Affected by this vulnerability is an unknown part of the component HTTP Request Header Handler. The manipulation with an unknown input leads to a exposure of resource vulnerability. The CWE definition for the vulnerability is CWE-668. The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource. As an impact it is known to affect confidentiality. The summary by CVE is:

Apache Airflow versions 3.1.0 through 3.1.7 session token (_token) in cookies is set to path=/ regardless of the configured [webserver] base_url or [api] base_url. This allows any application co-hosted under the same domain to capture valid Airflow session tokens from HTTP request headers, allowing full session takeover without attacking Airflow itself. Users are recommended to upgrade to Apache Airflow 3.1.8 or later, which resolves this issue.

The weakness was released by Daniel Wolf. The advisory is shared at github.com. This vulnerability is known as CVE-2026-28779 since 03/03/2026. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 03/21/2026).

Upgrading to version 3.1.8 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-0755). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

Apache Airflow

Productinfo

Type

Business Process Management Software

Vendor

Apache

Name

Airflow

Version

License

open-source

Website

Vendor: https://www.apache.org/
Product: https://github.com/apache/airflow/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 7.5
ADP CISA Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Exposure of resource
CWE: CWE-668 / CWE-200 / CWE-284
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
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Airflow 3.1.8

Timelineinfo

03/03/2026 CVE reserved
03/17/2026 +14 days Advisory disclosed
03/17/2026 +0 days VulDB entry created
03/21/2026 +4 days VulDB entry last update

Sourcesinfo

Vendor: apache.org
Product: github.com

Advisory: github.com
Researcher: Daniel Wolf
Status: Confirmed

CVE: CVE-2026-28779 (🔒)
GCVE (CVE): GCVE-0-2026-28779
GCVE (VulDB): GCVE-100-351361
CERT Bund: WID-SEC-2026-0755 - Apache Airflow: Mehrere Schwachstellen

Entryinfo

Created: 03/17/2026 11:27
Updated: 03/21/2026 18:45
Changes: 03/17/2026 11:27 (56), 03/17/2026 18:46 (7), 03/21/2026 18:45 (12)
Complete: 🔍
Cache ID: 216:BFD:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.