Description

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.

Basic information

Type: reviewed
Severity: high
Advisory on GitHub: Open advisory ↗
Repository advisory: Open repository advisory ↗
Source code: Browse source ↗
Published (advisory): 2025-12-10 20:11:40 UTC
Updated: 2025-12-11 15:51:31 UTC
GitHub reviewed: 2025-12-10 20:11:40 UTC
NVD published: 2025-12-10

Score	Percentile
0.08%	22.98%

CVSS Scores

Base score	Version	Severity	Vector
8.7	4.0	—	`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` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network. Attack complexity (AC:L) Exploitation conditions are straightforward and stable. Attack requirements (AT:N) No additional preconditions are required beyond normal reachability. Privileges required (PR:N) No privileges are required. User interaction (UI:N) No user interaction is required. Vulnerable system confidentiality impact (VC:H) High confidentiality impact on the vulnerable system. Vulnerable system integrity impact (VI:N) No integrity impact on the vulnerable system. Vulnerable system availability impact (VA:N) No availability impact on the vulnerable system. Subsequent system confidentiality impact (SC:N) No confidentiality impact on subsequent systems. Subsequent system integrity impact (SI:N) No integrity impact on subsequent systems. Subsequent system availability impact (SA:N) No availability impact on subsequent systems.

Identifiers

Type	Value
GHSA	GHSA-m654-769v-qjv7 ↗
CVE	CVE-2025-67718 ↗

CWEs

CWE id	Name
CWE-178	Improper Handling of Case Sensitivity

Affected packages (2)

Vulnerable version ranges and first patched releases as published by GitHub.

Ecosystem	Package	Vulnerable range	First patched	Vulnerable functions
npm	formio	< 3.5.7	3.5.7	—
npm	formio	>= 4.0.0-rc.1, < 4.4.3	4.4.3	—

Formio improperly authorized permission elevation through specially crafted request path