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CVE-2026-44646

📛 CVE Title

(no title)

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Description

LiquidJS's `{% render %}` tag silently bypasses per-render `ownPropertyOnly:true` via `Context.spawn()`

Overview

State
—
Assigner (CNA)
—
CVSS severity
medium
CVSS score
CVSS 5.3 / 10 5.3 5.3 / 10
CVSS vector
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Effective score
5.3 / 10 MEDIUM source: CNA overview
CWE(s)
—
Reserved
—
Published
—
Last updated
—
Source
https://www.tenable.com/cve/CVE-2026-44646

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published
2026-06-17 23:17:03 UTC
NVD last modified
2026-06-22 18:27:30 UTC
NVD CVSS v3.1
CVSS 5.3 / 10 5.3 5.3 / 10 MEDIUM source: security-advisories@github.com
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Exploitability subscore
3.9 / 10
Impact subscore
1.4 / 10
EPSS score
0.0027 (probability of exploitation in next 30 days)
EPSS percentile
19.16% vs all CVEs — higher = more likely to be exploited, as of 2026-08-01

NVD-assigned CWE(s): CWE-693 (differs from the CNA list above)

NVD / KEV / EPSS data refreshed 2026-08-01 16:28 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID
EUVD-2026-37826
Assigner
GitHub_M
Published
Jun 17, 2026, 10:25:15 PM
Updated
Jun 18, 2026, 1:53:51 PM
EUVD base score (CVSS 3.1)
5.3 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EUVD-reported EPSS
0.2700
Vendors
harttle
Products
liquidjs (< 10.26.0)
Aliases
GHSA-9x9p-qf8f-mvjg

ENISA description: LiquidJS is a Shopify/GitHub Pages compatible template engine written in pure JavaScript. In versions 10.25.7 and below, Context.spawn() creates a child Context for the {% render %} tag but does not propagate the parent context's resolved ownPropertyOnly value, resulting in a silent bypass. The new context re-derives ownPropertyOnly from opts.ownPropertyOnly (the instance-level option), silently discarding any RenderOptions.ownPropertyOnly override that was supplied to parseAndRender(). As a result, a developer who runs a Liquid instance with the backwards-compatible ownPropertyOnly:false and then locks down an untrusted render with parseAndRender(..., { ownPropertyOnly: true }) still leaks prototype-chain properties from inside any {% render %} partial. This is a distinct exploit surface from the previously identified array-filter variants (where, reject, group_by, find, find_index, has) — the underlying root cause in Context.spawn() is shared, but {% render %} is a separately reachable sink that needs no filter usage. This issue has been fixed in version 10.26.0.

EUVD references (3)

Vendor references (0)

References embedded in the original CVE record by the assigning CNA.

None in the CVE record.

Web references (2)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

NVD-tagged references (4)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

Remediations (10)

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-44646.json.

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