No exploitation reportedFix available

CVE-2022-40604

Q: Is CVE-2022-40604 actively exploited?

Active exploitation of CVE-2022-40604 has not been confirmed. Its EPSS score was 2.1% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2022-40604?

CVE-2022-40604 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

No exploitation reported by the sources we read.

Published2022-09-21
Fixed in2.4.0b1 · 2.4.0rc1
WeaknessCWE-134

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

In Apache Airflow 2.3.0 through 2.3.4, part of a url was unnecessarily formatted, allowing for possible information extraction.

Timeline

dates in UTC

2022-09-2108:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-40604?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-40604?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV · NVD

apache-airflow

Branch	Affected	Fixed in	Source
2.x	≥ 2.3.0, < 2.4.0b1	2.4.0b1	OSV
2.x	≥ 2.3.0, < 2.4.0rc1	2.4.0rc1	OSV

Apache airflow

Branch	Affected	Fixed in	Source
2.3	≥ 2.3.0, ≤ 2.3.4	no fix published	NVD

airflow

Branch	Affected	Fixed in	Source
2.3	≥ 2.3.0, < 2.3.5	2.3.5	OSV

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update apache-airflow to 2.4.0b1 · 2.4.0rc1

Advisories and patches

github.comPatch
lists.apache.orgVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2025-05-27
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.17.52025-05-27
NVDCVSS 3.17.5read 2026-10-23
CNAweakness (CWE)CWE-134read 2026-10-23
NVDweakness (CWE)CWE-134read 2026-10-23
FIRST EPSSEPSS score2.1 %2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published: 2022-09-21
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-40604?

In Apache Airflow 2.3.0 through 2.3.4, part of a url was unnecessarily formatted, allowing for possible information extraction.

Is CVE-2022-40604 actively exploited?

Active exploitation of CVE-2022-40604 has not been confirmed. Its EPSS score was 2.1% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-40604?

CVE-2022-40604 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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