How severe is CVE-2025-48481?

CVE-2025-48481 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-48481 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-48481?

CVE-2025-48481 affects Freescout. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-48481?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-48481 have an EU (EUVD) identifier?

Yes. CVE-2025-48481 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16451.

When was CVE-2025-48481 published?

CVE-2025-48481 was published on 2025-05-30 and last updated on 2026-06-17.

CVE-2025-48481

CVE-2025-48481 is a critical-severity vulnerability in Freescout with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-841.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 6.1
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-16451
Weakness: CWE-841
Affected product: Freescout
Published: 2025-05-30
Last modified: 2026-06-17

Description

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.180, an attacker with an unactivated email invitation containing invite_hash, can exploit this vulnerability to self-activate their account, despite it being blocked or deleted, by leveraging the invitation link from the email to gain initial access to the account. This issue has been patched in version 1.8.180.

Frequently asked questions

What is CVE-2025-48481?: FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.180, an attacker with an unactivated email invitation containing invite_hash, can exploit this vulnerability to self-activate their account, despite it being blocked or deleted, by leveraging the invitation link from the email to gain initial access to the account. This issue has been patched in version 1.8.180.
How severe is CVE-2025-48481?: CVE-2025-48481 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-48481 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-48481?: CVE-2025-48481 affects Freescout. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-48481?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-48481 have an EU (EUVD) identifier?: Yes. CVE-2025-48481 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16451.
When was CVE-2025-48481 published?: CVE-2025-48481 was published on 2025-05-30 and last updated on 2026-06-17.

References

https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-jgj2-x749-5wc7

Affected products (1)

cpe:2.3:a:freescout:freescout:*:*:*:*:*:*:*:*

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