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Advisory record · GHSA-qhr7-v3xp-vw9m

Statamic: Missing file upload validation on frontend forms allows uploading disallowed file types

CVSS 5.3 MediumEPSS 0.0041 · 35th percentile

Published by the GitHub Advisory Database at 6 Aug 2026, 19:35 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
statamic/cmsPackagist<5.74.3 || >=6.0.0, <6.24.25.74.3, 6.24.2
Identifiers
GHSA-qhr7-v3xp-vw9m · CVE-2026-71434 · PKSA-htv4-42tq-8d9c
Weakness (CWE)
CWE-434
Tags
Published
6 Aug 2026
Updated
6 Aug 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Statamic CMS (statamic/cms) versions before 5.74.3 and from 6.0.0 before 6.24.2 are affected. Public frontend forms did not enforce the file upload restrictions that the Control Panel applies, so an unauthenticated visitor could upload file types an administrator meant to disallow through a form's assets or files field, and files from assets fields could be stored on a public, web-accessible disk. Upgrade to 5.74.3 or 6.24.2.

Written 3 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.3 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0041, the 35th percentile, on 8 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:24 UTC First seen by agentprime
  2. 31 Oct 2026, 14:24 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.