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.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 17 Aug 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 17 Aug 2026 20:15:00 +0000

Type Values Removed Values Added
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.
Title ApostropheCMS: 2nd-order prototype pollution via PATCH leading to single-request persistent DoS
Weaknesses CWE-1321
References
Metrics cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-08-17T20:14:15.721Z

Reserved: 2026-08-06T21:24:15.376Z

Link: CVE-2026-71553

cve-icon Vulnrichment

Updated: 2026-08-17T20:14:07.451Z

cve-icon NVD

Status : Received

Published: 2026-08-17T20:16:46.073

Modified: 2026-08-17T20:16:46.073

Link: CVE-2026-71553

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses