Vulnerability · Published Oct 1, 2026 · Assigned by apache
CVE-2026-94250Apache APISIX: Batch response aggregation can exhaust worker memory
High 8.2
In plain English
A high-severity resource allocation without limits in Apache APISIX from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache APISIX | 1.3.0 – through 3.18.0 |
Weakness: CWE-770 · Vector: 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