CVE-2026-94250: CWE-770 Allocation of resources without limits or throttling in Apache Software Foundation Apache APISIX
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.
AI Analysis
Technical Summary
This vulnerability (CWE-770) in Apache APISIX's batch-requests plugin allows an unauthenticated caller to exhaust system memory by exploiting the batch endpoint if it is publicly accessible. The flaw arises from allocation of resources without limits or throttling, leading to potential denial of service via out-of-memory conditions. The issue affects Apache APISIX versions from 1.3.0 up to and including 3.18.0. The vendor has addressed this vulnerability in version 3.19.0.
Potential Impact
An unauthenticated attacker can cause denial of service by driving a gateway worker into out-of-memory (OOM) state through the batch-requests plugin's batch endpoint. This can disrupt service availability of the affected Apache APISIX gateway instances.
Mitigation Recommendations
Users should upgrade Apache APISIX to version 3.19.0 or later, where this vulnerability is fixed. No other mitigations or temporary workarounds are indicated in the provided data.
CVE-2026-94250: CWE-770 Allocation of resources without limits or throttling in Apache Software Foundation Apache APISIX
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.
CVSS v4.0
Score 8.2high
Affected software
Apache Software Foundation
Apache APISIX
pkg:github/apache/apisixRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-770) in Apache APISIX's batch-requests plugin allows an unauthenticated caller to exhaust system memory by exploiting the batch endpoint if it is publicly accessible. The flaw arises from allocation of resources without limits or throttling, leading to potential denial of service via out-of-memory conditions. The issue affects Apache APISIX versions from 1.3.0 up to and including 3.18.0. The vendor has addressed this vulnerability in version 3.19.0.
Potential Impact
An unauthenticated attacker can cause denial of service by driving a gateway worker into out-of-memory (OOM) state through the batch-requests plugin's batch endpoint. This can disrupt service availability of the affected Apache APISIX gateway instances.
Mitigation Recommendations
Users should upgrade Apache APISIX to version 3.19.0 or later, where this vulnerability is fixed. No other mitigations or temporary workarounds are indicated in the provided data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-09-21T08:46:09.162Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6abe748da43b0b3b89bd1c9b
Added to database: 10/01/2026, 14:56:13 UTC
Last enriched: 10/01/2026, 15:19:59 UTC
Last updated: 10/01/2026, 19:41:32 UTC
Views: 5
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