CVE-2024-32638

Name: CVE-2024-32638
Creator: NVD / NIST
Published: 2024-05-02T10:15:08.443+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.3/10EPSS 1.06%

Last modified Jun 17, 2026

CVE-2024-32638 is a medium-severity vulnerability rated 6.3/10 on the CVSS scale. Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in Apache APISIX when using `forward-auth` plugin.This issue affects Apache APISIX: from 3.8.0, 3.9.0. Users are recommended to upgrade to version 3.8.1, 3.9.1 or higher, which fixes the issue.. EPSS estimates a 1.06% chance of exploitation in the next 30 days.

Description

Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in Apache APISIX when using `forward-auth` plugin.This issue affects Apache APISIX: from 3.8.0, 3.9.0. Users are recommended to upgrade to version 3.8.1, 3.9.1 or higher, which fixes the issue.

Metrics

CVSS 3.1

6.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS Probability

1.06%

60.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Apache	Apisix	3.8.0
Apache	Apisix	3.9.0

References

http://www.openwall.com/lists/oss-security/2024/05/02/2Mailing List, Third Party Advisory
https://lists.apache.org/thread/ngvgxllw4zn4hgngkqw2o225kf9wotovMailing List, Vendor Advisory
http://www.openwall.com/lists/oss-security/2024/05/02/2Mailing List, Third Party Advisory
https://lists.apache.org/thread/ngvgxllw4zn4hgngkqw2o225kf9wotovMailing List, Vendor Advisory

Timeline

Published: May 2, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-32638?

How severe is CVE-2024-32638?

CVE-2024-32638 has a CVSS score of 6.3/10 (MEDIUM severity). The EPSS model estimates a 1.06% probability of exploitation in the next 30 days.

How do I fix CVE-2024-32638?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-32638?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST