CVE-2026-73617 Budibase before 3.40.0 NoSQL Injection via MongoDB datasource
Attackers can inject MongoDB operators to bypass access controls, read data, modify collections, or execute JavaScript in Budibase applications.
- 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-2026-73617?
CVE-2026-73617 is a high-severity code injection vulnerability in budibase server, published on 13 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Budibase before 3.40.0 contains a NoSQL injection vulnerability in the MongoDB datasource integration where user-supplied parameters are enriched with handlebars using noEscaping: true and parsed without operator filtering. Attackers can inject MongoDB operators through query parameters to bypass per-user access controls, read arbitrary documents, execute JavaScript via $where operators, or modify collections through update and delete operations.
Weakness: CWE-943
Which versions are affected by CVE-2026-73617?
2 open source packages ship an affected version, including @budibase/server.
| Package | Affected | Fixed in |
|---|---|---|
@budibase/server npm | All versions to 3.38.1 | None |
@budibase/server npm | All versions to 3.38.1 | None |
How do I fix CVE-2026-73617?
No fix has been published for CVE-2026-73617 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-73617 being exploited?
There is no known exploitation of CVE-2026-73617 in the wild and no public exploit code.
Sources
Also known as GHSA-pmpg-2mxq-6xwr, GHSA-rqxq-f5cc-3xp6.