CVE-2026-114056 ArcadeDB from 26.8.1 before 26.10.1 Authorization Bypass via ALTER TYPE WITH

Medium 5.3 Published 21 Oct 2026 Updated 28 Oct 2026

Exploited in the wild: Not known
Fix: None listed

What is CVE-2026-114056?

CVE-2026-114056 is a medium-severity vulnerability in ArcadeData arcadedb, published on 21 Oct 2026.

Official description

ArcadeDB from 26.8.1 before 26.10.1 contains an authorization bypass vulnerability that allows read-only users to modify edge type lightweight and unique schema flags without UPDATE_SCHEMA permission. Attackers can send a bare ALTER TYPE edgeType WITH lightweight = true command over the HTTP, gRPC, or Bolt command API to persistently alter edge storage declarations.

Weakness: CWE-862

Which versions are affected by CVE-2026-114056?

How do I fix CVE-2026-114056?

No fix has been published for CVE-2026-114056 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-114056 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-114056 exists.

Sources

Also known as GHSA-7762-mmrx-x9p5, GHSA-9c7g-grf7-j2r5.