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  4. CVE 2026 40961 apache airflow open redirect bypass vulnerability
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Back to active CVEs
High · CVSS 7.2CVE-2026-40961GHSA-6HCW-QQR8-PJJ8

Apache Airflow: Open Redirect Bypass VulnerabilityCVE-2026-40961

Answer in brief

CVE-2026-40961 records a High severity (CVSS 7.2) vulnerability in Apache Airflow: Open Redirect Bypass Vulnerability. The current sources do not mark it as known exploited. The current feed maps Apache Software Foundation/apache-airflow-core (generic), apache-airflow (pip), apache-airflow (pip), apache-airflow (pypi). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jun 1, 2026Updated Nov 3, 2026Source checked Nov 3, 2026First seen by HOL Jul 8, 2026Material review Nov 3, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.2
Exploitation
Not marked as known exploited
Affected software
5 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 7.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Apache Software Foundation/apache-airflow-core (generic), apache-airflow (pip), apache-airflow (pip), apache-airflow (pypi). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Apache Software Foundation/apache-airflow-coregeneric>=3.0.0 <3.2.23.2.2
apache-airflowpip>=3.0.0b3,<3.2.23.2.2
apache-airflowpip<3.2.23.2.2
apache-airflowpypi>=3.0.0b3 <3.2.23.2.2

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Apache Software Foundation/apache-airflow-core, apache-airflow, apache-airflow.
  2. 2Review the reported fix. Update Apache Software Foundation/apache-airflow-core to 3.2.2; apache-airflow to 3.2.2; apache-airflow to 3.2.2; apache-airflow to 3.2.2 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Jun 1, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 3, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Jul 8, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencelists.apache.org
  • Source referenceopenwall.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • NVD vulnerability recordnvd.nist.gov
  • Source referencepypi.org
  • GitHub security advisorygithub.com
Upstream source description

A bug in the login redirect route in Apache Airflow allowed authenticated users to craft URLs that bypassed the `is_safe_url` check, enabling redirection from a trusted Airflow domain to an attacker-controlled origin. Users are advised to upgrade to `apache-airflow` 3.2.2 or later. As a defense-in-depth mitigation, deployment operators can place Airflow behind a reverse proxy that strips off-domain `next=` query parameters before they reach the login endpoint.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-601
Source
CVE List V5
Source checked
Nov 3, 2026
References
10 linked sources
Open source record