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Posted to dev@httpd.apache.org by Eric Covener <co...@apache.org> on 2026/10/01 18:08:36 UTC

CVE-2026-63718: Apache HTTP Server: mod_proxy_uwsgi Transfer-Encoding response smuggling

Severity: low 

Affected versions:

- Apache HTTP Server 2.4.30 through 2.4.68

Description:

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') response smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi and a crafted uwsgi response with Transfer-Encoding.



This issue affects Apache HTTP Server: from 2.4.30 through 2.4.68.

Credit:

Qing Xu (finder)

References:

https://httpd.apache.org/security/vulnerabilities_24.html
https://httpd.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-63718

Timeline:

2026-07-14: reported
2026-10-01: fixed in 2.4.x by r1938691
2026-10-01: 2.4.69 released