Deserialization in Freescout
CVE-2025-58163
FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Versions 1.8.185 and earlier contain a deserialization of untrusted data vulnerability that allows authenticated attackers with knowledge of the application…
Vulnerability class: Insecure Deserialization
EPSS: 0.007 (47.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Freescout
- Freescout-help-desk Freescout — versions < 1.8.186
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2025-58163?
- CVE-2025-58163 is a high-severity vulnerability in Freescout, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2025-09-03.
- How severe is CVE-2025-58163?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2025-58163 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.