What is CVE-2025-48880?

CVE-2025-48880 is a medium-severity vulnerability in Freescout, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 6.6/10. Published 2025-05-30.

How severe is CVE-2025-48880?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Vulnerability in Freescout

CVE-2025-48880

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.181, when an administrative account is a deleting a user, there is the the possibility of a race condition occurring. This issue has been patched in version 1.8.181.

Vulnerability class: Race Condition

Published 2025-05-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (30.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Freescout
Freescout-Help-Desk Freescout — versions < 1.8.181

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

References

github.com/freescout-help-desk/freescout/security/advisories/GHSA-9vf2-mg4j-4v7f (Exploit, Vendor Advisory)
github.com/freescout-help-desk/freescout/commit/3f5bb2841f7de3303bc3cb00930a284… (Patch)

Frequently asked questions

What is CVE-2025-48880?: CVE-2025-48880 is a medium-severity vulnerability in Freescout, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 6.6/10. Published 2025-05-30.
How severe is CVE-2025-48880?: Medium severity. CVSS v3 base score is 6.6 out of 10.