{"id":"CVE-2026-94250","aliases":["BIT-apisix-2026-94250","EUVD-2026-90767","GHSA-2qwv-5jcq-cgff"],"status":"published","title":"Apache APISIX: Batch response aggregation can exhaust worker memory","description":"Allocation of resources without limits or throttling vulnerability in batch-requests plugin in Apache APISIX.\n\n\n\nAn 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.\n\n\n\nUsers are recommended to upgrade to version 3.19.0, which fixes the issue.","severity":{"version":"4.0","score":8.2,"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00315,"percentile":0.2472,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-770"],"published":"2026-10-01T11:01:41Z","modified":"2026-10-09T12:00:08Z","fixes":[{"ecosystem":"Bitnami","package":"apisix","fixed_in":["3.19.0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"apisix","ranges":[{"type":"SEMVER","events":[{"introduced":"1.3.0"},{"fixed":"3.19.0"}]}]}],"products":[{"vendor":"apache software foundation","product":"apache apisix"}],"references":[{"url":"https://lists.apache.org/thread.html/l7o9w8pw3w3f12vf9ybm7xtfzoo6qct4","tags":["vendor-advisory","web"]},{"url":"http://www.openwall.com/lists/oss-security/2026/10/01/6","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-94250","tags":["web"]},{"url":"https://github.com/advisories/GHSA-2qwv-5jcq-cgff"}],"sources":{"cve":[{"id":"CVE-2026-94250","title":"Apache APISIX: Batch response aggregation can exhaust worker memory","description":"Allocation of resources without limits or throttling vulnerability in batch-requests plugin in Apache APISIX.\n\n\n\nAn 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.\n\n\n\nUsers are recommended to upgrade to version 3.19.0, which fixes the issue.","status":"published","published":"2026-10-01T11:01:41.275Z","modified":"2026-10-01T14:51:08.084Z","cvss":[{"version":"4.0","score":8.2,"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","level":"high","assessor":"cna"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:19:54.122945Z"}],"euvd":[{"id":"EUVD-2026-90767","description":"Allocation of resources without limits or throttling vulnerability in batch-requests plugin in Apache APISIX.\n\n\n\nAn 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.\n\n\n\nUsers are recommended to upgrade to version 3.19.0, which fixes the issue.","status":"published","published":"2026-10-01T11:01:41Z","modified":"2026-10-01T14:51:08Z","cvss":[{"version":"4.0","score":8.2,"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","level":"high"}],"updated_at":"2026-11-02T17:27:45.695512Z"}],"ghsa":[{"id":"GHSA-2qwv-5jcq-cgff","title":"Allocation of resources without limits or throttling vulnerability in batch-requests plugin in...","description":"Allocation of resources without limits or throttling vulnerability in batch-requests plugin in Apache APISIX.\n\n\n\nAn 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.\n\n\n\nUsers are recommended to upgrade to version 3.19.0, which fixes the issue.","status":"published","published":"2026-10-01T12:31:21Z","modified":"2026-10-01T15:30:40Z","cvss":[{"version":"4.0","score":8.2,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:12:40.571849Z"}],"nvd":[{"id":"CVE-2026-94250","description":"Allocation of resources without limits or throttling vulnerability in batch-requests plugin in Apache APISIX.\n\n\n\nAn 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.\n\n\n\nUsers are recommended to upgrade to version 3.19.0, which fixes the issue.","status":"published","published":"2026-10-01T12:17:17.063Z","modified":"2026-10-01T15:17:36.277Z","cvss":[{"version":"4.0","score":8.2,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:12:53.41762Z"}],"osv":[{"id":"BIT-apisix-2026-94250","title":"Apache APISIX: Batch response aggregation can exhaust worker memory","description":"Allocation of resources without limits or throttling vulnerability in batch-requests plugin in Apache APISIX.\n\n\n\nAn 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.\n\n\n\nUsers are recommended to upgrade to version 3.19.0, which fixes the issue.","status":"published","published":"2026-10-09T10:43:49.716Z","modified":"2026-10-09T12:00:08.294520644Z","updated_at":"2026-11-02T15:28:28.267217Z"}]}}