CVE-2026-8878 CVE-2026-8878
Unauthenticated attackers can access sensitive data via exposed endpoints in the Securly Chrome Extension due to weak obfuscation of SHA-1 hashes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-8878?
CVE-2026-8878 is a high-severity vulnerability in Securly Chrome Extension, published on 3 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Version 3.0.7 of the Securly Chrome Extension exposes multiple publicly accessible endpoints that allow unauthenticated access to sensitive data. The exposed information consists of SHA-1 hashes that are inadequately obfuscated using a simple Caesar cipher, which can be easily reversed to recover the original hash values and access the protected data.
Weakness: CWE-326
Which versions are affected by CVE-2026-8878?
It affects 1 product.
Products include Securly Securly.
How do I fix CVE-2026-8878?
No fix has been published for CVE-2026-8878 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-8878 being exploited?
There is no known exploitation of CVE-2026-8878 in the wild and no public exploit code.
Other vulnerabilities in Securly Chrome Extension
Sources
Also known as GHSA-wwcp-6f37-8chw.