CVE-2026-44265
Elo: Code injection in Elo backends via unvalidated emission of programmatic AST fields
Elo 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.
Fixes and workarounds
Fix
@enspirit/elo (npm): OSV reports a fixed version 1.0.1. Check the advisory for supported release branches.
Source: OSV GHSA-x9rp-7wh3-2rj5Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| elo enspirit |
< 1.0.1 (affected) | CNA: GitHub_M |
@enspirit/elo@enspirit/elo
npm |
≥ 0; < 1.0.1 (affected, semver); OSV events: introduced 0; fixed 1.0.1Source events (semver)Other versions: unaffected |
OSV GHSA-x9rp-7wh3-2rj5 |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 7.4 high |
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | CNA: GitHub_M |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://github.com/enspirit/elo/security/advisories/GHSA-x9rp-7wh3-2rj5CNA: GitHub_M · x_refsource_CONFIRM
- https://github.com/enspirit/elo/commit/d2a89a8db76a244eb740687524a7e8529b7554b5CNA: GitHub_M · x_refsource_MISC
- https://github.com/enspirit/elo/commit/fb57dd37a2669d9c412454225c5b89a2adba5d93CNA: GitHub_M · x_refsource_MISC
- https://github.com/advisories/GHSA-x9rp-7wh3-2rj5OSV / GitHub Security Advisories · advisory
- https://osv.dev/vulnerability/GHSA-x9rp-7wh3-2rj5OSV / GitHub Security Advisories · osv
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