Elo: Code injection in Elo backends via unvalidated emission of programmatic AST fields

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-44265
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-03 18:18:02 UTC
Updated2026-11-03 18:18:02 UTC
DescriptionElo is a purely functional expression language for no-code tools. Prior to 1.0.1, Elo's programmatic AST API accepts arbitrary values from JSON-deserialized input, plugin output, or other untyped sources and interpolates them into generated JavaScript, Ruby, Python, or SQL without runtime syntax validation. The affected fields are int_literal / float_literal .value, variable.name, member_access.property, object_literal keys, datapath segments, lambda.params[].name, and the SQL let binding name. Crafted values become executable expressions or identifiers, allowing arbitrary code execution in JavaScript, Ruby, and Python targets and SQL injection in the SQL target. This programmatic AST-object path is distinct from the plain-string constructor-chain sandbox escape. This issue is fixed in version 1.0.1.

Risk And Classification

Primary CVSS: v3.1 7.4 HIGH from [email protected]

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-20 | CWE-89 | CWE-94 | CWE-749 | CWE-20 CWE-20: Improper Input Validation | CWE-89 CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') | CWE-94 CWE-94: Improper Control of Generation of Code ('Code Injection') | CWE-749 CWE-749: Exposed Dangerous Method or Function

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.4HIGHCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.4HIGHCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Enspirit Elo affected < 1.0.1 Not specified

References

ReferenceSourceLinkTags
github.com/enspirit/elo/commit/fb57dd37a2669d9c412454225c5b89a2adba5d93 [email protected] github.com
github.com/enspirit/elo/security/advisories/GHSA-x9rp-7wh3-2rj5 [email protected] github.com
github.com/enspirit/elo/commit/d2a89a8db76a244eb740687524a7e8529b7554b5 [email protected] github.com
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