CVE-2026-6994
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.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 6.5
- CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
- EPSS probability
- 0.23%
- CWE
- CWE-74, CWE-707
- Published
- 2026-04-25
- Last modified
- 2026-04-27
Affected products
- n/a Envoy
- n/a Envoy
- n/a Envoy
- n/a Envoy
- n/a Envoy
- n/a Envoy
- n/a Envoy
- n/a Envoy
Weakness type
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