Inconsistent interpretation of HTTP requests in Apache APISIX - CVE-2026-74848
Published: August 27, 2026
Vulnerability identifier: #VU145876
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-74848
CWE-ID: CWE-444
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to make other clients receive attacker-chosen or other users' responses.
The vulnerability exists due to inconsistent interpretation of http requests in serverless-plugin routes when handling crafted http requests. A remote attacker can send crafted requests to make other clients receive attacker-chosen or other users' responses.
Affected software
Apache APISIX
How to mitigate CVE-2026-74848
Install security update from vendor's website.
Apache APISIX - update to 3.18.0