CVE-2026-113656Medium· 5.3▾ SunlitApostropheCMS is an open-source Node.js content management system. Prior to 1.5.5 of the ApostropheCMS Form add-on, its form submission route stages unbounded multipart uploads before form validation or authentication and lacks upload si…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 29.2 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 21.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.4%
0.4% → 0.5%
ApostropheCMS is an open-source Node.js content management system. Prior to 1.5.5 of the ApostropheCMS Form add-on, its form submission route stages unbounded multipart uploads before form validation or authentication and lacks upload size, count, and rate limits. Repeated unauthenticated submissions can consume temporary disk storage and disrupt form handling or other host services. This issue is fixed in ApostropheCMS Form 1.5.5.
apostrophe < 4.33.0form < 1.5.5Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Affected packages:
@apostrophecms/form < 1.5.5Patched in:
@apostrophecms/form 1.5.5Connected by shared product, vendor, weakness, or advisory.
CVE-2026-113711High· 7.5ApostropheCMS: Unauthenticated resource exhaustion via pre-auth aposBigUpload processing in @apostrophecms/import-export
CVE-2026-113667Medium· 5.3ApostropheCMS: CAPTCHA response token not URL-encoded
CVE-2026-113658High· 7.5ApostropheCMS: Unauthenticated CSV import requests leave rejected uploads in the system temporary directory
CVE-2026-113659Medium· 6.1ApostropheCMS: Client-side Prototype Pollution in apos.http.parseQuery leading to DOM-based XSS against authenticated users
CVE-2026-113661Medium· 5.4ApostropheCMS: Incomplete CVE-2026-53606: `meta http-equiv=refresh` `content` still ships `javascript:` / `data:` URLs
CVE-2026-113662Medium· 5.4ApostropheCMS import-export: NoSQL injection via update-key value lets a crafted import match and overwrite an unidentified document