{"id":"CVE-2026-94250","state":"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.","publishedAt":"2026-10-01T11:01:41.275Z","updatedAt":"2026-10-01T14:51:08.084Z","severity":{"score":8.2,"label":"High","version":"4.0","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","source":"apache"},"assigner":"apache","products":["Apache Software Foundation Apache APISIX"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache APISIX","defaultStatus":"unaffected","versions":[{"version":"1.3.0","status":"affected","lessThanOrEqual":"3.18.0","versionType":"semver"}]}],"references":["https://lists.apache.org/thread.html/l7o9w8pw3w3f12vf9ybm7xtfzoo6qct4","http://www.openwall.com/lists/oss-security/2026/10/01/6"],"weaknesses":["CWE-770"],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/94xxx/CVE-2026-94250.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-94250","state":"PUBLISHED","datePublished":"2026-10-01T11:01:41.275Z","dateUpdated":"2026-10-01T14:51:08.084Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-09-21T08:46:09.162Z"},"containers":{"cna":{"title":"Apache APISIX: Batch response aggregation can exhaust worker memory","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache APISIX","defaultStatus":"unaffected","versions":[{"version":"1.3.0","status":"affected","lessThanOrEqual":"3.18.0","versionType":"semver"}]}],"references":[{"url":"https://lists.apache.org/thread.html/l7o9w8pw3w3f12vf9ybm7xtfzoo6qct4","tags":["vendor-advisory"]}],"metrics":[{"scenarios":[{"lang":"en","value":"GENERAL"}],"format":"CVSS","cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":8.2,"vectorString":"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-770","description":"CWE-770 Allocation of resources without limits or throttling","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-10-01T11:01:41.275Z"},"source":{"discovery":"UNKNOWN"},"credits":[{"lang":"en","value":"Ziyue","type":"reporter"},{"lang":"en","value":"shreemaan-abhishek","type":"remediation developer"},{"lang":"en","value":"shreemaan-abhishek","type":"coordinator"}],"x_generator":{"engine":"Vulnogram 1.0.3"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/10/01/6"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-10-01T13:11:01.606Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-01T14:50:48.220404Z","id":"CVE-2026-94250","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-01T14:51:08.084Z"}}]}}}