CVE-2026-111637 NexoPOS through 6.2.4 Unauthenticated Transaction Disclosure via /api/fields Endpoint
Unauthenticated attackers can access sensitive accounting transaction records via the API without proper authorization checks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-111637?
CVE-2026-111637 is a medium-severity missing authorization vulnerability in Blair2004 NexoPOS, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
NexoPOS through 6.2.4 contains a missing authentication vulnerability that allows unauthenticated attackers to read accounting transaction records via GET /api/fields/{resource}/{identifier}. Attackers can request transaction field classes like ns.entity-transaction with sequential ids to retrieve names, values, account ids, and descriptions without nexopos.read.transactions permission.
Weakness: CWE-306
Which versions are affected by CVE-2026-111637?
How do I fix CVE-2026-111637?
No fix has been published for CVE-2026-111637 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-2026-111637 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111637 exists.
Sources
Also known as GHSA-222q-33hf-4cp6.