Medium severity · published Oct 21, 2026
CVE-2026-114056
ArcadeDB from 26.8.1 before 26.10.1 Authorization Bypass via ALTER TYPE WITH
4.3
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AR
arcadedb · ArcadeData
26.8.1 before 26.10.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-114056
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-114056
github.com
https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-9c7g-grf7-j2r5
www.vulncheck.com
https://www.vulncheck.com/advisories/arcadedb-from-26.8.1-before-26.10.1-authorization-bypass-via-alter-type-with
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