CVE-2026-6994 — Envoy Query Parameter header_mutation.cc params.add injection
A weakness has been identified in Envoy up to 1.33.0. Affected is the function params.add of the file source/extensions/filters/http/header_mutation/header_mutation.cc of the co…
Published: 2026-04-25 · CVSS: 5.3 · CVSS 4.0
A weakness has been identified in Envoy up to 1.33.0. Affected is the function params.add of the file source/extensions/filters/http/header_mutation/header_mutation.cc of the component Query Parameter Handler. This manipulation causes injection. Remote exploitation of the attack is possible. Patch name: f8f4f1e02fdc64ecd4acf2d903208dd7285ad3a4. It is suggested to install a patch to address this issue.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7