Vulnerability Description
ApostropheCMS is an open-source Node.js content management system. In 4.32.0 and earlier, PATCH /api/v1/article/:id accepts the inherited path toString.call and passes it through the utility module to apos.util.set() and apos.util.get(), allowing an authenticated editor to overwrite the shared Object.prototype.toString function's call property and cause a persistent process-wide denial of service until restart.
Related Weaknesses (CWE)
References
- https://github.com/apostrophecms/apostrophe/commit/5a3746aaed49761e171c2cbfe7932
- https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-vmg4-6gfg-8
FAQ
What is CVE-2026-71553?
CVE-2026-71553 is a documented vulnerability. ApostropheCMS is an open-source Node.js content management system. In 4.32.0 and earlier, PATCH /api/v1/article/:id accepts the inherited path toString.call and passes it through the utility module to...
How severe is CVE-2026-71553?
CVSS scoring is not yet available for CVE-2026-71553. Check NVD for updates.
Is there a patch for CVE-2026-71553?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.