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CVE-2026-6994

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CVE-2026-6994

Published: Apr 25, 2026

Modified: Apr 27, 2026

PUBLISHED

CVSS v3.1

6.3

MEDIUM

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.

VendorProductVersions

n/a

Envoy

affected
1.0
affected
1.1
affected
1.2
affected
1.3
affected
1.4

+29 more versions

Weaknesses (CWE)

CWE-74
CWE-707

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

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