CVE-2026-110109 JetLinks Community through 2.10.0 Missing Authorization via Product-Level Transparent Codec Save
Attackers with query access can overwrite product codecs, controlling message decoding and encoding for all devices in that product.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-110109?
CVE-2026-110109 is a high-severity missing authorization vulnerability in JetLinks Community, published on 13 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
JetLinks Community through 2.10.0 contains a missing authorization vulnerability that allows users with only query access on transparent-codec to overwrite product codecs via POST /device/transparent-codec/{productId}. Because the endpoint lacks @SaveAction, attackers can save arbitrary codec providers and configurations, controlling how transparent messages are decoded and encoded for every device of that product.
Weakness: CWE-862
Which versions are affected by CVE-2026-110109?
How do I fix CVE-2026-110109?
No fix has been published for CVE-2026-110109 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-110109 being exploited?
There is no known exploitation of CVE-2026-110109 in the wild and no public exploit code.
Sources
Also known as GHSA-6q8r-vgvx-r98p.