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P4Verified

CVE-2026-48521

CVE-2026-48521. CVSS base score 5.9 (MEDIUM, Vendor/CNA). EPSS 0.00699 (percentile 0.51484), scored 2026-10-04.

Affected technology

envoy · before 1.36.10 (exclusive)
envoyproxy

envoy · from 1.37.0 (inclusive), before 1.37.6 (exclusive)
envoyproxy

envoy · from 1.38.0 (inclusive), before 1.38.4 (exclusive)
envoyproxy

envoy · from 1.39.0 (inclusive), before 1.39.1 (exclusive)
envoyproxy

envoy · < 1.36.10, >= 1.37.0, < 1.37.6, >= 1.38.0, < 1.38.4, >= 1.39.0, < 1.39.1
envoyproxy

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published

CWE
CWE-476
CCR priority
23.8 /100 (P4)
CVSS
5.9 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H · Vendor/CNA
EPSS
0.00699 · percentile 0.51484 · 2026-10-04
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-48521.html