{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-8889: CVE-2026-8889","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-8889","status":"final","version":"1","initial_release_date":"2026-06-03T18:15:15.450Z","current_release_date":"2026-06-10T19:00:10.351Z","revision_history":[{"date":"2026-06-03T18:15:15.450Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"Version 3.0.7 of the Securly Chrome Extension uses deprecated SHA-1 hashing for IWF CSAM URL matching (25,020 hashes) and CIPA blocklist matching (12,352 hashes).","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-8889 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-8889"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-8889"},{"category":"external","summary":"kb.cert.org","url":"https://kb.cert.org/vuls/id/595768"}]},"product_tree":{"branches":[{"category":"vendor","name":"Securly","branches":[{"category":"product_name","name":"Securly Chrome Extension","branches":[{"category":"product_version_range","name":"<=3.0.7","product":{"name":"Securly Securly Chrome Extension <=3.0.7","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:securly:securly_chrome_extension:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-8889","title":"CVE-2026-8889","notes":[{"category":"description","text":"Version 3.0.7 of the Securly Chrome Extension uses deprecated SHA-1 hashing for IWF CSAM URL matching (25,020 hashes) and CIPA blocklist matching (12,352 hashes).","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","baseScore":7.5,"baseSeverity":"HIGH"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}