CVE-2026-8889

HIGH

Securly Chrome Extension < 3.0.7 - Weak Hashing via SHA-1

Title source: llm

Description

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).

References (1)

Core 1

Core References

https://kb.cert.org/vuls/id/595768

Scores

CVSS v3 7.5

EPSS 0.0019

EPSS Percentile 8.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-407

Status published

Products (2)

securly/securly 3.0.7

Securly/Securly Chrome Extension < 3.0.7

Published Jun 03, 2026

Tracked Since Jun 04, 2026