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CVE Vulnerability Details :
CVE-2026-27637
PUBLISHED
More InfoOfficial Page
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
View Known Exploited Vulnerability (KEV) details
Published At-25 Feb, 2026 | 03:41
Updated At-25 Feb, 2026 | 15:21
Rejected At-
▼CVE Numbering Authority (CNA)
FreeScout's Predictable Authentication Token Enables Account Takeover

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.206, FreeScout's `TokenAuth` middleware uses a predictable authentication token computed as `MD5(user_id + created_at + APP_KEY)`. This token is static (never expires/rotates), and if an attacker obtains the `APP_KEY` — a well-documented and common exposure vector in Laravel applications — they can compute a valid token for any user, including the administrator, achieving full account takeover without any password. This vulnerability can be exploited on its own or in combination with CVE-2026-27636. Version 1.8.206 fixes both vulnerabilities.

Affected Products
Vendor
freescout-help-desk
Product
freescout
Versions
Affected
  • < 1.8.206
Problem Types
TypeCWE IDDescription
CWECWE-330CWE-330: Use of Insufficiently Random Values
Type: CWE
CWE ID: CWE-330
Description: CWE-330: Use of Insufficiently Random Values
Metrics
VersionBase scoreBase severityVector
3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-6gcm-v8xf-j9v9
x_refsource_CONFIRM
https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-mw88-x7j3-74vc
x_refsource_MISC
https://github.com/freescout-help-desk/freescout/commit/004a8231f6e413af1d4680930b0e2342fd4283f9
x_refsource_MISC
Hyperlink: https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-6gcm-v8xf-j9v9
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-mw88-x7j3-74vc
Resource:
x_refsource_MISC
Hyperlink: https://github.com/freescout-help-desk/freescout/commit/004a8231f6e413af1d4680930b0e2342fd4283f9
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-6gcm-v8xf-j9v9
exploit
https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-mw88-x7j3-74vc
exploit
Hyperlink: https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-6gcm-v8xf-j9v9
Resource:
exploit
Hyperlink: https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-mw88-x7j3-74vc
Resource:
exploit
Details not found