CVE-2026-8874

CVSS 7.1 HIGHEPSS 0.1%CWE-319

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.1EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

03 Jun 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Version 3.0.7 of the Securly Chrome Extension downloads JSON files containing crisis alert keywords and filtering rules over unencrypted HTTP via the Fetch API. Other endpoints in the same extension correctly fetch IWF and CIPA data over HTTPS, demonstrating an inconsistent implementation of TLS.

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

Affected products

Securly · Securly Chrome Extension

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References

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