EUVD-2026-62465
GHSA-qf82-gwmv-gc98
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-reachable API, any authenticated role sufficient (PR:L), and Groovy OS command execution escapes the database application boundary to the host OS, warranting S:C with full C/I/A impact.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
3DescriptionCVE.org
ArcadeDB before 26.8.1 (arcadedb-gremlin, affected <= 26.7.3) contains a remote code execution vulnerability in its Gremlin query engine. Although the engine defaults to the documented-secure java (gremlin-lang) engine, ArcadeGremlin.executeStatement() silently falls back to the insecure Groovy engine whenever a request carries any query parameter and the query does not parse as gremlin-lang. An authenticated user with any database role, including a read-only reader, can submit a parameterized Gremlin query to trigger the Groovy fallback and execute arbitrary operating system commands as the ArcadeDB server process user.
AnalysisAI
Remote code execution in ArcadeDB's Gremlin query engine exposes any deployment running arcadedb-gremlin through version 26.7.3 to full OS command execution by any authenticated user, including those with only read-only database roles. The flaw is a silent fallback in ArcadeGremlin.executeStatement() that routes parameterized queries failing gremlin-lang parsing to the unrestricted Groovy scripting engine, which can invoke arbitrary Java and OS-level code as the server process user. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid ArcadeDB user account at any privilege level - including the lowest-tier read-only reader role; administrative or write access is explicitly NOT required. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 8.7 (AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H) accurately captures the real-world risk profile: network-reachable, low complexity, no attack requirements, and exploitable by any user with the lowest valid credential tier. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who acquires any ArcadeDB credential - for example, a low-privilege reader account obtained via phishing or credential stuffing - submits a Gremlin query to the HTTP API that includes at least one query parameter and is crafted to fail gremlin-lang parsing while remaining valid Groovy code, such as embedding a reverse shell or command execution payload using Groovy's execute() method on a String. ArcadeGremlin.executeStatement() silently routes the request to the Groovy evaluator, which executes the payload as the ArcadeDB server OS process user, granting the attacker shell-level access to the host. … |
| Remediation | Upgrade ArcadeDB to version 26.8.1 or later, the vendor-released fix confirmed by the GitHub Security Advisory at https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-wcm5-4wjm-9wj3. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory all ArcadeDB deployments running version 26.7.3 or earlier and immediately revoke or disable all non-essential database accounts, particularly read-only user credentials. …
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Same weakness CWE-94 – Code Injection
View allSame technique Code Injection
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External POC / Exploit Code
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