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Vulnerabilities

Vulnerability · CVE-2026-40961

A bug in the login redirect route in Apache Airflow allowed authenticated users to craft URLs that bypassed the check, enabling redirection from a trusted Airflow doma…

Published Jun 1, 2026 · catalog updated Jul 21, 2026 · the affected product

Check if you run it

No confirmed exploitation is on record for CVE-2026-40961. EPSS is 0.76%. Act only if a listed version of the affected product is installed.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.2
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.76%
Remediation
Advisory link
Affected products
cpe apache/airflow

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe apache/airflowversion unspecified

How to fix CVE-2026-40961

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-40961. EPSS is 0.76%. Act only if a listed version of the affected product is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-601: URL Redirection to Untrusted Site (Open Redirect). EPSS 0.76%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 1, 2026 · NIST NVD

    Detected

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

  2. Jul 21, 2026 · NIST NVD

    Updated

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

Sources

  • CVE.orgVulnerability recordCVE-2026-40961

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-40961

    30-day exploitation probability 0.8%

    first.org
  • NIST NVDVulnerability recordCVE-2026-40961

    A bug in the login redirect route in Apache Airflow allowed authenticated users to craft URLs that bypassed the check, enabling redirection from a trusted Airflow domain to an attacker-controlled origin. Users are advised to upgrade to 3.2.2 or late

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.