TI-2026-31060 Aliases CVE-2026-42853 GHSA-hcwq-x9fw-8cfq

@apostrophecms/cli: Command Injection in apos create via Unsanitized Password Input

MEDIUM 64CWE-78Published 2026-06-12 · Updated 2026-06-13

Key facts

Attack vector: Local
Privileges required: High
User interaction: Required
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-78.

Summary

ApostropheCMS is an open-source Node.js content management system. Versions of the @apostrophecms/cli package up to and including 3.6.0 contain a command injection vulnerability in the apos create command. User-supplied input from the password prompt is embedded directly into a shell command without proper sanitization or escaping. This allows execution of arbitrary commands on the host system. As of time of publication, no known patched versions are available.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00536 45th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
apostrophecms	@apostrophecms/cli	up to 3.6.0	—	No fix listed	CNA
—	@apostrophecms/cli (npm)	up to 3.6.0	—	No fix listed	GHSA-hcwq-x9fw-8cfq

@apostrophecms/cli Vendorapostrophecms Affected up to 3.6.0 Fixed in — No fix listed CNA
@apostrophecms/cli (npm) Vendor— Affected up to 3.6.0 Fixed in — No fix listed GHSA-hcwq-x9fw-8cfq

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-42853
2026-10-03 Alias added: GHSA-hcwq-x9fw-8cfq

References

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2026-42853

Other 2

TI-2026-25223 ApostropheCMS has Arbitrary File Write (Zip Slip / Path Traversal) in Import-Export Gzip Extraction CVSS 3.1CRITICAL 10.0
TI-2026-32848 Apostrophe has default XSS via `xmp` raw-text passthrough in `sanitize-html` CVSS 3.1CRITICAL 9.3
TI-2026-38664 @apostrophecms/seo Vulnerable to Stored XSS via Unsanitized Google Analytics / GTM ID Injected into Script Tag CVSS 3.1HIGH 8.7
TI-2026-27673 ApostropheCMS: Stored XSS in SEO Fields Leads to Authenticated API Data Exposure in ApostropheCMS CVSS 3.1HIGH 8.7
TI-2026-76992 Unauthenticated resource exhaustion via ApostropheCMS import routes CVSS 3.1HIGH 7.5
TI-2026-76974 ApostropheCMS leaves rejected CSV uploads in temporary directory CVSS 3.1HIGH 7.5

See all 65 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences