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CVE-2026-6994

MEDIUM

6.3

Description

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.

CVE Details

CVSS v3.1 Score6.3

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published4/25/2026

Last Modified4/27/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-74CWE-707

References

https://github.com/envoyproxy/envoy/commit/f8f4f1e02fdc64ecd4acf2d903208dd7285ad3a4(cna@vuldb.com)

https://github.com/envoyproxy/envoy/pull/43502/(cna@vuldb.com)

https://vuldb.com/submit/797241(cna@vuldb.com)

https://vuldb.com/vuln/359546(cna@vuldb.com)

https://vuldb.com/vuln/359546/cti(cna@vuldb.com)

IOC Correlations

No correlations recorded

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