Allocation of Resources Without Limits or Throttling in Apache APISIX - CVE-2026-94250
Published: October 1, 2026
Vulnerability identifier: #VU153090
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-94250
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to allocation of resources without limits or throttling in the batch-requests plugin when processing batch requests through a publicly exposed batch endpoint. A remote attacker can send batch requests that exhaust gateway worker memory to cause a denial of service.
Affected software
Apache APISIX
How to mitigate CVE-2026-94250
Install security update from vendor's website.
Apache APISIX - update to 3.19.0