🛡️ CVE-2026-49296 — airflow

🟡 CVSS 5.0 — Medium ✅ No Known Exploit CWE-639 OSV
5.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Apache Airflow: Per-DAG read bypass discloses co-located DAGs' source via GET /api/v2/dagSources/{dag_id}

Before apache-airflow 3.3.0, a user authorized to read one Dag could disclose the source of other Dags co-located in the same source file. GET /api/v2/dagSources/{dag_id} — and the equivalent Dag-source view in the UI — returned the entire source file without redacting Dags the caller was not authorized to read, bypassing per-DAG read authorization. Deployments that co-locate multiple Dags in a single file and rely on per-DAG access control to limit source visibility are affected; single-Dag-per-file deployments are not. Upgrade to apache-airflow 3.3.0 or later.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability none.

Weakness class

CVE-2026-49296 is classified as CWE-639: Authorization Bypass Through User-Controlled Key. An object is selected by an identifier from the request without checking the caller owns it.

Affected software

CVE-2026-49296 is recorded against 2 packages.

  • airflow
  • apache-airflow (fixed in 3.3.0)

Timeline and source

Published on 9 July 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from OSV.

References

www.openwall.com (Web)
github.com (Web)
lists.apache.org (Web)
nvd.nist.gov (Web)

Details

Severity MEDIUM
CVSS Score 5.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE CWE-639
Public Exploit ✅ No
Source OSV
Published 2026-07-09
Updated 2026-08-12
Modified 2026-07-09

Affected Packages

Software From version Fixed in
airflow
apache-airflow 3.3.0

Similar Threats

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