CVE-2026-55729 Loytec LWEB802: Exposure of Sensitive Information in browser localStorage
An unauthenticated remote attacker can leak stored management credentials from browser localStorage via a crafted link in Loytec LWEB-802.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-55729?
CVE-2026-55729 is a high-severity vulnerability in Loytec LWEB-802, published on 24 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Exposure of Sensitive Information (CWE-200) in LWEB802 browser `localStorage` in Loytec LWEB-802 before 5.0.8 on all platforms allows an unauthenticated remote attacker to leak stored management credentials via a crafted link.
Weakness: CWE-200
Which versions are affected by CVE-2026-55729?
How do I fix CVE-2026-55729?
No fix has been published for CVE-2026-55729 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-55729 being exploited?
There is no known exploitation of CVE-2026-55729 in the wild and no public exploit code.
Sources
Also known as GHSA-c4x3-39wp-wf7p.