---
title: "CVE-2026-85749: MailWatch for MailScanner - Broken Access Control"
description: "MailWatch for MailScanner < 1.2.27 contains a broken access control vulnerability caused by missing ownership checks in quarantine_action.php, letting authenticated users release or delete quarantined mails of others, exploit requires valid session and CSRF token."
url: https://panop.io/threat-heartbeat/CVE-2026-85749/
---

# CVE-2026-85749 MailWatch for MailScanner - Broken Access Control

MailWatch for MailScanner < 1.2.27 contains a broken access control vulnerability caused by missing ownership checks in quarantine\_action.php, letting authenticated users release or delete quarantined mails of others, exploit requires valid session and CSRF token.

CVSS base score 8.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-85749)

## Details

Type

Broken Access Control

Impact

Denial Of Service, Data Tampering

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Published

28 October 2026

Updated

29 October 2026

Weakness

[CWE-566](https://cwe.mitre.org/data/definitions/566.html)

## Vendor fix

Update to version 1.2.27 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-85749](https://nvd.nist.gov/vuln/detail/CVE-2026-85749)
- [https://github.com/mailwatch/MailWatch/commit/bc04f25eb0cec028cbd4ded9c049cfc6f663a15f](https://github.com/mailwatch/MailWatch/commit/bc04f25eb0cec028cbd4ded9c049cfc6f663a15f)
- [https://github.com/mailwatch/MailWatch/releases/tag/v1.2.27](https://github.com/mailwatch/MailWatch/releases/tag/v1.2.27)
- [https://github.com/mailwatch/MailWatch/security/advisories/GHSA-w7v5-7g6w-87r4](https://github.com/mailwatch/MailWatch/security/advisories/GHSA-w7v5-7g6w-87r4)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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