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CVE-2024-32638: Apache APISIX: Forward-Auth Request Smuggling

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.

Classification

CVE ID: CVE-2024-32638

Affected Products

Vendor: Apache Software Foundation

Product: Apache APISIX

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 11.98% (scored less or equal to compared to others)

EPSS Date: 2025-03-14 (when was this score calculated)

References

https://lists.apache.org/thread/ngvgxllw4zn4hgngkqw2o225kf9wotov
http://www.openwall.com/lists/oss-security/2024/05/02/2

Timeline