CVE-2026-8874 CVE-2026-8874
Attackers can intercept unencrypted HTTP traffic to read crisis alert keywords and filtering rules from the Securly Chrome Extension.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-8874?
CVE-2026-8874 is a high-severity vulnerability in Securly Chrome Extension, published on 3 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-319
Which versions are affected by CVE-2026-8874?
It affects 1 product.
Products include Securly Securly.
How do I fix CVE-2026-8874?
No fix has been published for CVE-2026-8874 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-8874 being exploited?
There is no known exploitation of CVE-2026-8874 in the wild and no public exploit code.
Other vulnerabilities in Securly Chrome Extension
Sources
Also known as GHSA-58xm-2wvc-7p7f.