CyberSecBulletin

Openresty vulnerabilities

We track 1 vulnerability in Openresty products. 1 is rated high or critical, and none are known to be exploited. The most recent was published on July 10, 2026.

1vulnerabilities
0critical
1high
0exploited
7.5average CVSS score

Latest Openresty vulnerabilities

  • 7.5 High severity

    openresty: Out-of-bounds Write

    CVE-2026-55233Openresty

    OpenResty is a high performance web platform. From 1.29.2.1 to before 1.29.2.5, an out-of-bounds write vulnerability exists in the upstream PROXY protocol v2 implementation. When OpenResty is configured to send PROXY protocol version 2 headers to upstream serv