CVE-2026-74848: Apache APISIX

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

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.

Affected products

• Apache APISIX: from 2.12.0, before 3.18.0 (fixed in 3.18.0)

Published 2026-08-27. Last modified 2026-08-31.