CVE-2026-26310

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

5.9 / 10

Vector String

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

Vulnerability Description

Envoy is a high-performance edge/middle/service proxy. Prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13, calling Utility::getAddressWithPort with a scoped IPv6 addresses causes a crash. This utility is called in the data plane from the original_src filter and the dns filter. This vulnerability is fixed in 1.37.1, 1.36.5, 1.35.8, and 1.34.13.

Vulnerability Details

Published Date

March 10, 2026

Last Modified

March 11, 2026

CWE ID

CWE-20

Source

GitHub

Vendor

Product

github.com/envoyproxy/envoy

External References

https://github.com/envoyproxy/envoy/security/advisories/GHSA-3cw6-2j68-868p
https://github.com/advisories/GHSA-3cw6-2j68-868p

CVE-2026-26310

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

Discussion (0)

Add Comment