Formio improperly authorized permission elevation through specially crafted request path

# Security Advisory: Unauthorized permission elevation through specially crafted request path **Summary:** A flaw in path handling could allow an attacker to access protected API endpoints by sending a crafted request path. This issue could result in unauthorized data disclosure under certain configurations. **Impact:** In affected configurations, an unauthenticated or unauthorized request could retrieve data from endpoints that should be protected. **Affected versions:** <= 3.5.6 <= 4.4.2 **Fixed in:** 3.5.7 4.4.3 **Mitigation / Workarounds:** Upgrade to 3.5.7 or later. **Disclosure timeline:** Discovered 2025-05-22; fixed 2025-05-30; publicly disclosed 2025-12.

Source published

10 Dec 2025 20:11:40 UTC

Source modified

11 Dec 2025 16:20:52 UTC

Observed here

24 Oct 2026 13:17:17 UTC

Source terms

GitHub Advisory Database · CC-BY-4.0

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: osv · GitHub Advisory Database · CC-BY-4.0. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS_V4 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Publisher rating · HIGH