{"id":"CVE-2026-65838","revision":"33965cc9bfdb44c2a7bb59060d3824d2","records":[{"revision":"33965cc9bfdb44c2a7bb59060d3824d2","observedAt":"2026-10-25T15:18:45.851+00:00","statement":{"source":"nvd","id":"CVE-2026-65838","aliases":[],"title":"Skipper is an HTTP router and reverse proxy for service composition. Prior to 0.27.35, the opaAuthorizeRequestWithBody filter in filters/openpolicyagent/openpolicyagent.go can allow an oversized declared Content-Length request to bypass a d…","description":"Skipper is an HTTP router and reverse proxy for service composition. Prior to 0.27.35, the opaAuthorizeRequestWithBody filter in filters/openpolicyagent/openpolicyagent.go can allow an oversized declared Content-Length request to bypass a deny-on-presence Rego policy because ExtractHttpBodyOptionally leaves OPA with an empty parsed_body while forwarding the complete request body upstream. This incomplete remediation of CVE-2026-50197 affects deployments that authorize request-body content and exceed -open-policy-agent-max-request-body-size, which defaults to 1 MB. Policy logic that does not reject input.attributes.request.http.truncated_body can therefore fail open and permit a forbidden payload to reach the protected service, while small bodies and the previously fixed chunked-body case are evaluated normally. This issue is fixed in version 0.27.35.","state":0,"publishedAt":"2026-09-14T20:16:49.103+00:00","modifiedAt":"2026-09-16T13:42:48.383+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","score":8.2,"severity":"HIGH"}],"references":["https://github.com/zalando/skipper/commit/2cfceabaa6ff0af65b312dcb9bcbe84691b9d507","https://github.com/zalando/skipper/releases/tag/v0.27.35","https://github.com/zalando/skipper/security/advisories/GHSA-8qqm-fp2q-v734"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-65838","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-754"],"productCriteria":[],"sourceDates":{"published":"2026-09-14T20:16:49.103","lastModified":"2026-09-16T13:42:48.383"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-65838","identifiers":["CVE-2026-65838"]},"retained":false,"historicalAffected":[]}],"coverage":[]}