CVE-2026-8889 in Chrome Extension

Summary

by MITRE • 06/03/2026

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).

If you want to get best quality of vulnerability data, you may have to visit VulDB.

• Responsible: Certcc
• Reservation: 05/18/2026
• Disclosure: 06/03/2026
• Moderation: accepted
• Entry: VDB-368218
• CPE: ready
• CWE: CWE-328 (confirmed)
• CVSS: 2.6 (VulDB)
• EPSS: 0.00013
• KEV: no
• Activities: very low

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-8889
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-8889
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-8889/