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Vulnerabilities

Vulnerability · CVE-2026-41191

FreeScout is a free self-hosted help desk and shared mailbox.

Published Apr 21, 2026 · catalog updated Jun 17, 2026 · FreeScout is a free

Check if you run it

No confirmed exploitation is on record for CVE-2026-41191. EPSS is 0.34%. Act only if a listed version of FreeScout is a free is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (FreeScout is a free).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.34%
Remediation
Advisory link
Affected products
See sources for product scope

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, persists outside the allowed-field filter. A user with only the mailbox permission sees only the signature field in the UI, but can still change the hidden mailbox-wide chat setting via direct POST. Version 1.8.215 fixes the vulnerability.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-41191

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-41191. EPSS is 0.34%. Act only if a listed version of FreeScout is a free is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-863: Incorrect Authorization. EPSS 0.34%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 21, 2026 · NIST NVD

    Detected

    FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, persists outside the allowed-field filter. A user with only the mailbox permission sees only the signature field in the UI, but can still change the hidden mailbox-wide chat setting via direct POST. Version 1.8.215 fixes the vulnerability.

  2. Jun 17, 2026 · NIST NVD

    Updated

    FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, persists outside the allowed-field filter. A user with only the mailbox permission sees only the signature field in the UI, but can still change the hidden mailbox-wide chat setting via direct POST. Version 1.8.215 fixes the vulnerability.

Sources

  • CVE.orgVulnerability recordCVE-2026-41191

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-41191

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-41191

    FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, persists outside the allowed-field filter. A user with only the mailbox permission sees only the signature field in the UI, but can s

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.