CVE-2026-109957 EspoCRM before 10.0.7 IDOR via Import attachmentId Parameter
Authenticated users can read other users' attachments by manipulating the attachmentId parameter in the Import endpoint.
- 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-2026-109957?
CVE-2026-109957 is a medium-severity missing authorization vulnerability in espocrm, published on 13 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
EspoCRM before 10.0.7 contains an insecure direct object reference vulnerability that allows authenticated users with Import scope access to read other users' attachments by supplying a foreign attachmentId to the Import endpoint. Attackers can create an Import record referencing a known attachment ID, then call the error export endpoint to copy source rows into a downloadable CSV they own.
Weakness: CWE-639
Which versions are affected by CVE-2026-109957?
How do I fix CVE-2026-109957?
No fix has been published for CVE-2026-109957 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-2026-109957 being exploited?
There is no known exploitation of CVE-2026-109957 in the wild and no public exploit code.
Sources
Also known as GHSA-5729-xq64-4h22, GHSA-hv9x-x7p8-5xpf.