Severity:
CVSS 4.0: 8.2 (high)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected versions:
- Apache APISIX 1.3.0 through 3.18.0
Description:
Allocation of resources without limits or throttling vulnerability in
batch-requests plugin in Apache APISIX.
An unauthenticated caller can drive a gateway worker into OOM via a route where
the batch-requests plugin is used and the batch endpoint is publicly exposed.
This issue affects Apache APISIX: from 1.3.0 through 3.18.0.
Users are recommended to upgrade to version 3.19.0, which fixes the issue.
Credit:
Ziyue (reporter)
shreemaan-abhishek (remediation developer)
shreemaan-abhishek (coordinator)
References:
https://apisix.apache.org
https://www.cve.org/CVERecord?id=CVE-2026-94250