CVE-2026-109377 ERPNext 9.0.0 through 16.50.0 Missing Authorization in Batch Lookup Methods

Medium 5.3 Published Updated

Authenticated users, including customer portal users, can view sensitive stock quantities and batch details via exposed API methods.

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-2026-109377?

CVE-2026-109377 is a medium-severity missing authorization vulnerability in Frappe ERPNext, published on 12 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

ERPNext 9.0.0 through 16.50.0 contains a missing authorization vulnerability that allows authenticated users to view stock quantities via whitelisted batch methods. Attackers, including customer portal users, can call get_batch_qty, get_batches_by_oldest or get_pos_reserved_batch_qty to list every item batch with per-warehouse quantities.

Weakness: CWE-862

Which versions are affected by CVE-2026-109377?

How do I fix CVE-2026-109377?

No fix has been published for CVE-2026-109377 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-2026-109377 being exploited?

There is no known exploitation of CVE-2026-109377 in the wild and no public exploit code.

Sources

Also known as GHSA-jg45-xvf3-93rf.

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