All vulnerabilities

Servers and applications

CVE-2018-9230

In OpenResty through 1.13.6.1, URI parameters are obtained using the ngx.req.get_uri_args and ngx.req.get_post_args functions that ignore parameters beyond the hundredth one, which might allow remote attackers to bypass intended access restrictions or interfere with certain Web Application Firewall (ngx_lua_waf or X-WAF) products. NOTE: the vendor has reported that 100 parameters is an…

Severity
Critical 9.8
Published
2 Apr 2018
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
1.13.6.1
Sources
NVD

Affected software

SoftwareAffected versions
OpenRestyServers and applications · cpe:a:openresty:openresty
  • Every version before 1.13.6.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-9230
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-9230