CVE-2026-74848 HIGH

CVE-2026-74848: Apache APISIX: Cross-user response poisoning in serverless plugins

Vendor Apache Software Foundation
Product Apache APISIX
Weakness CWE-444
Published August 27, 2026
Last update August 27, 2026
View on NVD All CVEs

CVSS base score

7.0/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N

What the vulnerability does

01Description

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache APISIX. An attacker could make other clients receive attacker-chosen or other users' responses on serverless-plugin routes. This issue affects Apache APISIX: from 2.12.0 through 3.17.0. Users are recommended to upgrade to version 3.18.0, which fixes the issue.

Key dates

02Disclosure timeline

August 27, 2026 CVE published
August 27, 2026 Record updated