How severe is CVE-2026-46745?

CVE-2026-46745 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-46745 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-46745?

CVE-2026-46745 affects Apache Apache-airflow-providers-fab. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-46745?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-46745 have an EU (EUVD) identifier?

Yes. CVE-2026-46745 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31669.

When was CVE-2026-46745 published?

CVE-2026-46745 was published on 2026-05-25 and last updated on 2026-06-17.

CVE-2026-46745

CVE-2026-46745 is a medium-severity vulnerability in Apache Apache-airflow-providers-fab with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-90.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31669
Weakness: CWE-90
Affected product: Apache Apache-airflow-providers-fab
Published: 2026-05-25
Last modified: 2026-06-17

Description

Apache Airflow FAB Auth Manager contains an LDAP filter injection vulnerability (CWE-90) that allows unauthenticated attackers to exfiltrate directory data or bypass authentication. Upgrade to apache-airflow-providers-fab 3.6.4 or later. If immediate upgrade is not possible, disable LDAP authentication until the provider can be updated.

Frequently asked questions

What is CVE-2026-46745?: Apache Airflow FAB Auth Manager contains an LDAP filter injection vulnerability (CWE-90) that allows unauthenticated attackers to exfiltrate directory data or bypass authentication. Upgrade to apache-airflow-providers-fab 3.6.4 or later. If immediate upgrade is not possible, disable LDAP authentication until the provider can be updated.
How severe is CVE-2026-46745?: CVE-2026-46745 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-46745 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-46745?: CVE-2026-46745 affects Apache Apache-airflow-providers-fab. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-46745?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-46745 have an EU (EUVD) identifier?: Yes. CVE-2026-46745 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31669.
When was CVE-2026-46745 published?: CVE-2026-46745 was published on 2026-05-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:apache-airflow-providers-fab:*:*:*:*:*:*:*:*

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