CVE-2026-8874

CVE-2026-8874

Published Jun 3, 2026 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
First Time appeared Securly securly
CPEs cpe:2.3:a:securly:securly:3.0.7:*:*:*:*:chrome:*:*
Vendors & Products Securly securly
Type Values Removed Values Added
First Time appeared Securly
Securly chrome Extension
Vendors & Products Securly
Securly chrome Extension
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-319
Type Values Removed Values Added
Description 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.
Title CVE-2026-8874
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
certcc
Published
Updated
Jun 4, 2026, 2:43 PM
Reserved
May 18, 2026, 8:26 PM
Status
Analyzed
Published
Jun 3, 2026, 7:16 PM
Modified
Jul 22, 2026, 8:10 PM