CVE-2026-94250

Apache APISIX: Batch response aggregation can exhaust worker memory

State
Published
Severity
8.2 High
Published
Oct 1, 2026
Updated
Oct 1, 2026
Reserved
Sep 21, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
4.08.2 HighCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:Napache

Weaknesses

  • CWE-770 Allocation of resources without limits or throttling

Affected Products

ProductVersions
Apache APISIXApache Software Foundation
  • 1.3.0 through 3.18.0Affected

References

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