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Medium 5.3Published Oct 20, 2026

CVE-2026-113656ApostropheCMS: Unauthenticated unbounded multipart upload → disk-exhaustion DoS

Updated under an hour ago ()

Does this affect you?

It affects apostrophecms apostrophe and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness (CWE)
CWE-770
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
GitHub_M
NVD analysis
Deferred
Record last updated
Oct 20, 2026
First seen by InfoSec Signals
Oct 20, 2026

Affected products

Affected products
apostrophecms apostrophe
apostrophecms:apostrophe (from the name)
before 4.33.0
CNA record
@apostrophecms form
apostrophecms:form (from the name)
before 1.5.5
CNA record

References

  • x-refsource-confirm
  • x-refsource-misc
  • x-refsource-misc
  • x-refsource-misc

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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