Vulnerability in Freescout-help-desk Freescout
CVE-2026-27637
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…
EPSS: 0.003 (52.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Freescout-help-desk Freescout — versions < 1.8.206
Weakness classification (CWE)
References
- 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)
Frequently asked questions
- What is CVE-2026-27637?
- CVE-2026-27637 is a critical-severity vulnerability in Freescout-help-desk Freescout, classified under Use of Insufficiently Random Values. CVSS score: 9.8/10. Published 2026-02-25.
- How severe is CVE-2026-27637?
- Critical severity. CVSS v3 base score is 9.8 out of 10.