{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-46669: `openvm-pairing` pairing check missing proper subfield check on scaling factor","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-46669","status":"final","version":"1","initial_release_date":"2026-06-10T20:09:31.670Z","current_release_date":"2026-06-11T14:10:23.903Z","revision_history":[{"date":"2026-06-10T20:09:31.670Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"OpenVM is a performant and modular zkVM framework built for customization and extensibility. Prior to version 1.6.0, the openvm-pairing guest library's try_honest_pairing_check function invokes Theorem 3 of https://eprint.iacr.org/2024/640.pdf but does not check that the scaling factor s is in a proper subfield of Fp12. This allows incorrect results to the pairing check. This issue has been patched in version 1.6.0.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-46669 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-46669"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-46669"},{"category":"external","summary":"https://github.com/openvm-org/openvm/security/advisories/GHSA-76mq-v757-53gr","url":"https://github.com/openvm-org/openvm/security/advisories/GHSA-76mq-v757-53gr"},{"category":"external","summary":"https://github.com/openvm-org/openvm/releases/tag/v1.6.0","url":"https://github.com/openvm-org/openvm/releases/tag/v1.6.0"}]},"product_tree":{"branches":[{"category":"vendor","name":"openvm-org","branches":[{"category":"product_name","name":"openvm","branches":[{"category":"product_version","name":"< 1.6.0","product":{"name":"openvm-org openvm < 1.6.0","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:openvm-org:openvm:\\<_1.6.0:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-46669","title":"`openvm-pairing` pairing check missing proper subfield check on scaling factor","notes":[{"category":"description","text":"OpenVM is a performant and modular zkVM framework built for customization and extensibility. Prior to version 1.6.0, the openvm-pairing guest library's try_honest_pairing_check function invokes Theorem 3 of https://eprint.iacr.org/2024/640.pdf but does not check that the scaling factor s is in a proper subfield of Fp12. This allows incorrect results to the pairing check. This issue has been patched in version 1.6.0.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","baseScore":8.7,"baseSeverity":"HIGH"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}