# CVE-2026-107640: Integrics Enswitch 3.13 through 4.4 Authentication Bypass via Password Reset API

> Unauthenticated attackers can bypass password reset validation to take over administrator accounts in Integrics Enswitch.

- **Severity:** Critical 9.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 8 Oct 2026
- **Updated:** 8 Oct 2026
- **Also known as:** GHSA-qxpp-mcfv-63xp

## What is CVE-2026-107640?

CVE-2026-107640 is a critical authentication bypass vulnerability in Integrics Enswitch, published on 8 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Integrics Enswitch 3.13 through 4.4 contains an authentication bypass vulnerability in /api/json/user/password/update/ that allows unauthenticated attackers to change account passwords by omitting the reset parameter. Attackers can target accounts with no pending reset, whose empty reset_key matches the defaulted empty value, to take over administrator accounts after enumerating valid usernames.

Weakness: CWE-640 (Weak Password Recovery Mechanism for Forgotten Password)

## Which versions are affected by CVE-2026-107640?


## How do I fix CVE-2026-107640?

No fix has been published for CVE-2026-107640 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-107640 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-107640 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-107640 and fix it if it is affected.

What it is: CVE-2026-107640 is a critical authentication bypass vulnerability in Integrics Enswitch, published on 8 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-107640 exists.

Affected product: Integrics Enswitch. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-107640/ (Markdown: https://insights.sbomify.com/CVE-2026-107640/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-107640
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-107640
- OSV: https://osv.dev/vulnerability/CVE-2026-107640

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-107640/
Summaries are generated and may contain mistakes; the official description above is the record.