CVE-2026-8876high

CVE-2026-8876: high-severity vulnerability in Securly Chrome Extension

CVE-2026-8876

Published · Updated

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.3epss 0.3%
exploitation probability
0.3%top 79% of all CVEs
observed exploitation
nono source reports it
Version 3.0.7 of the Securly Chrome Extension contains hardcoded, plaintext AES passphrases in securly.min.js. These keys decrypt crisis alert keyword data and intervention site data.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected products
Securly · Securly Chrome Extension
Related CVEs — Securly Chrome Extension

In the same product, most dangerous first.

CVE-2026-8888HIGHCVE-2026-8888EPSS 0.6%CVE-2026-8879HIGHCVE-2026-8879EPSS 0.5%CVE-2026-8889HIGHCVE-2026-8889EPSS 0.3%CVE-2026-8878HIGHCVE-2026-8878EPSS 0.3%CVE-2026-8881HIGHCVE-2026-8881EPSS 0.2%CVE-2026-8874HIGHCVE-2026-8874EPSS 0.2%
References
https://kb.cert.org/vuls/id/595768