CVE-2026-100685 Budibase before 3.45.0 Information Disclosure via Chat Links
Attackers with builder access can enumerate chat identity link records across all workspaces, exposing sensitive user and service identifiers.
- 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-2026-100685?
CVE-2026-100685 is a high-severity missing authorization vulnerability in budibase server, published on 26 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Budibase before 3.45.0 fails to properly scope the GET /api/chat-links endpoint by workspace, allowing builders to enumerate chat identity link records across all workspaces in a tenant. Attackers with builder access to a single workspace can retrieve sensitive chat identity linking data including user IDs and external chat service identifiers from other workspaces they have no permission to access.
Weakness: CWE-863
Which versions are affected by CVE-2026-100685?
How do I fix CVE-2026-100685?
No fix has been published for CVE-2026-100685 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-2026-100685 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-100685 exists.
Sources
Also known as GHSA-76m3-47v8-p7h6, GHSA-j425-cpch-6j4p.