CVE-2026-33268 Nanoleaf Lines unauthenticated firmware file store

Medium 6.9 Published Updated

Unauthenticated attackers can upload firmware files to Nanoleaf Lines devices, consuming storage resources and causing denial of service.

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-2026-33268?

CVE-2026-33268 is a medium-severity vulnerability in Nanoleaf Lines, published on 25 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Nanoleaf Lines 12.3.2 does not authenticate firmware file uploads. A remote, unauthenticated attacker can upload firmware files on the device and consume storage resources. Fixed in 12.3.6.

Weakness: CWE-400

Which versions are affected by CVE-2026-33268?

How do I fix CVE-2026-33268?

No fix has been published for CVE-2026-33268 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-33268 being exploited?

There is no known exploitation of CVE-2026-33268 in the wild and no public exploit code.

Sources

Also known as GHSA-wc4v-g2h6-xh3h.

Is CVE-2026-33268 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free