Vulnerability · Published Oct 1, 2026 · Assigned by VulDB

CVE-2026-103541formtools.org Form Tools Ajax actions.php uploadFile unrestricted upload

Medium 6.3

In plain English

A medium-severity unrestricted file upload in Form Tools from formtools.org. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 11% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.2%top 88.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was detected in formtools.org Form Tools up to 3.1.1. This issue affects the function Files::uploadFile of the file global/code/actions.php of the component Ajax Handler. The manipulation results in unrestricted upload. It is possible to launch the attack remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected products (as reported)

Vendor	Product	Versions
formtools.org	Form Tools	3.1.03.1.1

Weakness: CWE-434, CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C

References

VDB-412351 | formtools.org Form Tools Ajax actions.php uploadFile unrestricted upload vdb-entry, technical-description
VDB-412351 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-103541 | CVE Analysis and Report third-party-advisory
Submit #957902 | formtools.org / Form Tools project Form Tools Core 3.1.1 Unrestricted Upload third-party-advisory
https://github.com/formtools/core/issues/957 issue-tracking
https://github.com/wawyw/cve_report/blob/main/formtools_2.md exploit