{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-48140: Unchecked enum cast vulnerability in NI grpc-device in BeginSidebandStream","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-48140","status":"final","version":"1","initial_release_date":"2026-06-19T13:32:18.095Z","current_release_date":"2026-06-19T13:32:18.095Z","revision_history":[{"date":"2026-06-19T13:32:18.095Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"There is an unchecked enum cast vulnerability in NI grpc-device BeginSidebandStream that may allow an attacker to trigger invalid enum states and undefined behavior, potentially resulting in a denial of service. Successful exploitation requires an attacker to supply a specially crafted message containing an out-of-range value. This affects NI grpc-device 2.17.0 and prior versions.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-48140 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-48140"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-48140"},{"category":"external","summary":"ni.com","url":"https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/multiple-vulnerabilities-in-ni-grpc-device-server.html"},{"category":"external","summary":"github.com","url":"https://github.com/ni/grpc-device/security/advisories/GHSA-prfr-q8h3-mqxv"}]},"product_tree":{"branches":[{"category":"vendor","name":"NI","branches":[{"category":"product_name","name":"grpc-device","branches":[{"category":"product_version_range","name":"<=2.17.0","product":{"name":"NI grpc-device <=2.17.0","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:ni:grpc-device:*:*:*:*:*:*:*:*"}}}]}]},{"category":"vendor","name":"NI","branches":[{"category":"product_name","name":"InstrumentStudio","branches":[{"category":"product_version_range","name":"<=26.3.0","product":{"name":"NI InstrumentStudio <=26.3.0","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:ni:instrumentstudio:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-48140","title":"Unchecked enum cast vulnerability in NI grpc-device in BeginSidebandStream","notes":[{"category":"description","text":"There is an unchecked enum cast vulnerability in NI grpc-device BeginSidebandStream that may allow an attacker to trigger invalid enum states and undefined behavior, potentially resulting in a denial of service. Successful exploitation requires an attacker to supply a specially crafted message containing an out-of-range value. This affects NI grpc-device 2.17.0 and prior versions.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1","CSAFPID-2"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","baseScore":7.1,"baseSeverity":"HIGH"},"products":["CSAFPID-1","CSAFPID-2"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1","CSAFPID-2"]}]}]}