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Vulnerability record · CVE-2020-11724 · published 12 April 2020

CVE-2020-11724: Openresty http request smuggling vulnerability

Openresty · Openresty

An issue was discovered in OpenResty before 1.15.8.4. ngx_http_lua_subrequest.c allows HTTP request smuggling, as demonstrated by the ngx.location.capture API.

7.5 CVSS 3.1 High EPSS 2.6% · top 15.3% CWE-444 · HTTP request smuggling
7.5CVSS 3.1 base score, v2 5.0
2.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in OpenResty before 1.15.8.4. ngx_http_lua_subrequest.c allows HTTP request smuggling, as demonstrated by the ngx.location.capture API.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/openresty/lua-nginx-module/commit/9ab38e8ee35fc08a57636b1b6190dca70b0076fa PatchThird Party Advisory
https://github.com/openresty/openresty/blob/4e8b4c395f842a078e429c80dd063b2323999957/patches/ngx_http_lua-0.10.15-fix_lo PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00014.html Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20210129-0002/ Third Party Advisory
https://www.debian.org/security/2020/dsa-4750 Third Party Advisory
https://github.com/openresty/lua-nginx-module/commit/9ab38e8ee35fc08a57636b1b6190dca70b0076fa PatchThird Party Advisory
https://github.com/openresty/openresty/blob/4e8b4c395f842a078e429c80dd063b2323999957/patches/ngx_http_lua-0.10.15-fix_lo PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00014.html Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20210129-0002/ Third Party Advisory
https://www.debian.org/security/2020/dsa-4750 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-11724), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.