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CVE-2026-94250

Apache APISIX: Batch response aggregation can exhaust worker memory

HIGH
8.2
CVSS Score
Published: October 1, 2026 at 11:01 AM UTC
Updated: October 1, 2026 at 03:17 PM UTC
1 product affected across 1 vendorApisix

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Severity
HIGH8.2
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Apisix· Apache
60%
1.3.0 ≤ v ≤ 3.18.01.3.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory
Source: cverecord
https://lists.apache.org/thread.html/l7o9w8pw3w3f12vf9ybm7xtfzoo6qct4
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2026/10/01/6

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.2HIGHapache
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-770

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