apostrophe Known Vulnerabilities & Fixes
apostrophe has 2 known security vulnerabilities in npm (Node.js). Upgrade to version 4.31.0 or later to resolve all known issues. Data sourced from OSV, enriched with EPSS exploit probability and CISA KEV.
Low Immediate Risk
No actively exploited vulnerabilities detected. Monitor and update in your next maintenance window.
Recommended safe version: 4.31.0
Upgrading to 4.31.0 or later resolves all 2 known vulnerabilities in apostrophe. Run: npm install apostrophe@4.31.0
Is apostrophe in your project?
Check if you're affected and upgrade to 4.31.0 to stay secure.
Security Summary
- 2 affected version ranges have been identified across these 2 advisories.
- 100% of known issues have a published fixed version.
- Remediation: npm update apostrophe
Vulnerabilities
2 unique vulnerabilities — sorted by exploitation risk (KEV → EPSS → CVSS). Click a CVE/GHSA ID for full details. First disclosed Apr 16, 2026, most recently Jul 31, 2026 (106 days apart).
| CVE / GHSA | Severity | Affected | Fixed In |
|---|---|---|---|
| CVE-2026-53609 Apostrophe has Server-Side Prototype Pollution in apos.util.set via patch operators that leads to process-wide authorization bypass | CRITICAL | All versions | 4.31.0 |
| CVE-2026-35569 Stored XSS in SEO Fields Leads to Authenticated API Data Exposure in ApostropheCMS | HIGH | All versions | 4.29.0 |
About This Data
Vulnerability data for apostrophe is sourced from the Open Source Vulnerability (OSV) database, aggregating reports from GitHub Advisory Database, NIST NVD, and ecosystem-specific sources.
CVSS (Common Vulnerability Scoring System) scores reflect exploitability and impact. EPSS (Exploit Prediction Scoring System) scores indicate the probability of exploitation within the next 30 days. Vulnerabilities marked with are listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
Related npm (Node.js) Packages
Other packages in this ecosystem, ranked by shared vulnerabilities where available.
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