Prototype Chain Traversal Vulnerability in ApostropheCMS by Apostrophe
CVE-2026-113666

7.1HIGH

Key Information:

Vendor
CVE Published:
20 October 2026

What is CVE-2026-113666?

ApostropheCMS, an open-source Node.js content management system, is susceptible to a prototype chain traversal vulnerability. This issue allows an account with view-draft permissions to submit a projection exclusion path. When using SQLite, PostgreSQL, or multipostgres adapters, it can lead to the deletion of a shared runtime member, impacting both system integrity and availability. The default MongoDB adapter is unaffected. This vulnerability has been resolved in the recent versions: db-connect 1.1.0 and ApostropheCMS 4.33.0.

Affected Version(s)

apostrophe < 4.33.0

db-connect < 1.1.0

References

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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