How severe is CVE-2025-54875?

CVE-2025-54875 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-2025-54875 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-54875?

CVE-2025-54875 affects Freshrss. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-54875?

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-2025-54875 have an EU (EUVD) identifier?

Yes. CVE-2025-54875 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31652.

When was CVE-2025-54875 published?

CVE-2025-54875 was published on 2025-09-29 and last updated on 2026-06-17.

CVE-2025-54875

CVE-2025-54875 is a critical-severity vulnerability in Freshrss 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-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-31652
Weakness: CWE-284
Affected product: Freshrss
Published: 2025-09-29
Last modified: 2026-06-17

Description

FreshRSS is a free, self-hostable RSS aggregator. In versions 1.16.0 and above through 1.26.3, an unprivileged attacker can create a new admin user when registration is enabled through the use of a hidden field used only in the user management admin page, new_user_is_admin. This is fixed in version 1.27.0.

Frequently asked questions

What is CVE-2025-54875?: FreshRSS is a free, self-hostable RSS aggregator. In versions 1.16.0 and above through 1.26.3, an unprivileged attacker can create a new admin user when registration is enabled through the use of a hidden field used only in the user management admin page, new_user_is_admin. This is fixed in version 1.27.0.
How severe is CVE-2025-54875?: CVE-2025-54875 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-2025-54875 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-54875?: CVE-2025-54875 affects Freshrss. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-54875?: 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-2025-54875 have an EU (EUVD) identifier?: Yes. CVE-2025-54875 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31652.
When was CVE-2025-54875 published?: CVE-2025-54875 was published on 2025-09-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:freshrss:freshrss:*:*:*:*:*:*:*:*

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