CVE-2026-6994

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Source

https://cve.org/CVERecord?id=CVE-2026-6994

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-6994.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-6994

Published

2026-04-25T19:00:19.151Z

Modified

2026-07-08T08:13:53.031219028Z

Severity

5.3 (Medium) CVSS_V4 - 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 CVSS Calculator

Summary

Envoy Query Parameter header_mutation.cc params.add injection

Details

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/headermutation/headermutation.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.

Database specific

{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6994.json",
    "cwe_ids": [
        "CWE-707",
        "CWE-74"
    ],
    "cna_assigner": "VulDB"
}

References

Affected packages

Git / github.com/envoyproxy/envoy

Affected ranges

Type

GIT

Repo

https://github.com/envoyproxy/envoy

Events

Introduced

ef54a03858d0be3e7768d37b5a8c0b136b664e21

Fixed

f8f4f1e02fdc64ecd4acf2d903208dd7285ad3a4

Database specific

{
    "source": [
        "AFFECTED_FIELD",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "1.0"
        },
        {
            "last_affected": "1.0"
        },
        {
            "introduced": "1.1"
        },
        {
            "last_affected": "1.1"
        },
        {
            "introduced": "1.2"
        },
        {
            "last_affected": "1.2"
        },
        {
            "introduced": "1.3"
        },
        {
            "last_affected": "1.3"
        },
        {
            "introduced": "1.4"
        },
        {
            "last_affected": "1.4"
        },
        {
            "introduced": "1.5"
        },
        {
            "last_affected": "1.5"
        },
        {
            "introduced": "1.6"
        },
        {
            "last_affected": "1.6"
        },
        {
            "introduced": "1.7"
        },
        {
            "last_affected": "1.7"
        },
        {
            "introduced": "1.8"
        },
        {
            "last_affected": "1.8"
        },
        {
            "introduced": "1.9"
        },
        {
            "last_affected": "1.9"
        },
        {
            "introduced": "1.10"
        },
        {
            "last_affected": "1.10"
        },
        {
            "introduced": "1.11"
        },
        {
            "last_affected": "1.11"
        },
        {
            "introduced": "1.12"
        },
        {
            "last_affected": "1.12"
        },
        {
            "introduced": "1.13"
        },
        {
            "last_affected": "1.13"
        },
        {
            "introduced": "1.14"
        },
        {
            "last_affected": "1.14"
        },
        {
            "introduced": "1.15"
        },
        {
            "last_affected": "1.15"
        },
        {
            "introduced": "1.16"
        },
        {
            "last_affected": "1.16"
        },
        {
            "introduced": "1.17"
        },
        {
            "last_affected": "1.17"
        },
        {
            "introduced": "1.18"
        },
        {
            "last_affected": "1.18"
        },
        {
            "introduced": "1.19"
        },
        {
            "last_affected": "1.19"
        },
        {
            "introduced": "1.20"
        },
        {
            "last_affected": "1.20"
        },
        {
            "introduced": "1.21"
        },
        {
            "last_affected": "1.21"
        },
        {
            "introduced": "1.22"
        },
        {
            "last_affected": "1.22"
        },
        {
            "introduced": "1.23"
        },
        {
            "last_affected": "1.23"
        },
        {
            "introduced": "1.24"
        },
        {
            "last_affected": "1.24"
        },
        {
            "introduced": "1.25"
        },
        {
            "last_affected": "1.25"
        },
        {
            "introduced": "1.26"
        },
        {
            "last_affected": "1.26"
        },
        {
            "introduced": "1.27"
        },
        {
            "last_affected": "1.27"
        },
        {
            "introduced": "1.28"
        },
        {
            "last_affected": "1.28"
        },
        {
            "introduced": "1.29"
        },
        {
            "last_affected": "1.29"
        },
        {
            "introduced": "1.30"
        },
        {
            "last_affected": "1.30"
        },
        {
            "introduced": "1.31"
        },
        {
            "last_affected": "1.31"
        },
        {
            "introduced": "1.32"
        },
        {
            "last_affected": "1.32"
        },
        {
            "introduced": "1.33.0"
        },
        {
            "last_affected": "1.33.0"
        }
    ]
}

Affected versions

1.*

1.0

1.1

1.10

1.11

1.12

1.13

1.14

1.15

1.16

1.17

1.18

1.19

1.2

1.20

1.21

1.22

1.23

1.24

1.25

1.26

1.27

1.28

1.29

1.3

1.30

1.31

1.32

1.33.0

1.4

1.5

1.6

1.7

1.8

1.9

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-6994.json"