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CVE-2023-27522 High

Apache HTTP Server via mod_proxy_uwsgi HTTP response smuggling

HTTP Response Smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi. This issue affects Apache HTTP Server from 2.4.30 through 2.4.55 and the uWSGI PyPI package prior to version 2.0.22. Special characters in the origin response header can truncate/split the response forwarded to the client.

Exploit probability 2.1%
Published March 7, 2023
Required by Not available
Last source change July 7, 2026

02 / AFFECTED SOFTWARE

Affected packages

PyPI uwsgi

56 explicit affected versions

Bitnami apache
PyPI uwsgi

56 explicit affected versions

Unknown Unknown

108 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities BIT-apache-2023-27522

HTTP Response Smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.55. Special characters in the origin response header can truncate/split the response forwarded to the client.

View original source
Open Source Vulnerabilities GHSA-vcph-37mh-fqrh

HTTP Response Smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi. This issue affects Apache HTTP Server from 2.4.30 through 2.4.55 and the uWSGI PyPI package prior to version 2.0.22. Special characters in the origin response header can truncate/split the response forwarded to the client.

View original source
Open Source Vulnerabilities PYSEC-2026-1058

HTTP Response Smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi. This issue affects Apache HTTP Server from 2.4.30 through 2.4.55 and the uWSGI PyPI package prior to version 2.0.22. Special characters in the origin response header can truncate/split the response forwarded to the client.

View original source
Open Source Vulnerabilities CVE-2023-27522

HTTP Response Smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.55. Special characters in the origin response header can truncate/split the response forwarded to the client.

View original source

05 / REFERENCES

Further evidence