{"id":"DEBIAN-CVE-2026-76905","details":"kin-openapi is a Go project for handling OpenAPI files. From 0.10.0 until 0.141.0, openapi3filter.convertParseError in openapi3filter/validation_error_encoder.go dereferences e.Parameter.In without checking whether e.Parameter is nil. A malformed non-string scalar field in a multipart/form-data request body produces a nested ParseError with a nil RequestError.Parameter, and applications that render the validation error through openapi3filter.ConvertErrors or ValidationErrorEncoder panic. An unauthenticated client can repeatedly send such requests to deny service when the application lacks a recovery boundary. JSON request bodies and applications that do not use these error-rendering helpers are not affected. This issue is fixed in version 0.141.0.","modified":"2026-09-10T08:47:27.999121138Z","published":"2026-08-21T21:17:06.320Z","upstream":["CVE-2026-76905"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-76905"}],"affected":[{"package":{"name":"golang-github-getkin-kin-openapi","ecosystem":"Debian:12","purl":"pkg:deb/debian/golang-github-getkin-kin-openapi?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.110.0-1","0.117.0-1","0.118.0-1","0.120.0-1","0.122.0-1","0.122.0-2","0.122.0-3","0.123.0-1","0.124.0-1","0.135.0-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-76905.json"}},{"package":{"name":"golang-github-getkin-kin-openapi","ecosystem":"Debian:13","purl":"pkg:deb/debian/golang-github-getkin-kin-openapi?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.124.0-1","0.135.0-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-76905.json"}},{"package":{"name":"golang-github-getkin-kin-openapi","ecosystem":"Debian:14","purl":"pkg:deb/debian/golang-github-getkin-kin-openapi?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.124.0-1","0.135.0-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-76905.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}