How severe is CVE-2025-62166?

CVE-2025-62166 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-62166 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-62166?

CVE-2025-62166 affects Freshrss. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-62166?

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

Does CVE-2025-62166 have an EU (EUVD) identifier?

Yes. CVE-2025-62166 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208442.

When was CVE-2025-62166 published?

CVE-2025-62166 was published on 2026-03-09 and last updated on 2026-06-17.

CVE-2025-62166

CVE-2025-62166 is a high-severity vulnerability in Freshrss with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-208442
Weakness: CWE-284
Affected product: Freshrss
Published: 2026-03-09
Last modified: 2026-06-17

Description

FreshRSS is a free, self-hostable RSS aggregator. Prior 1.28.0, a bug in the auth logic related to master authentication tokens, this restriction is bypassed. Usually only the default user's feed should be viewable if anonymous viewing is enabled, and feeds of other users should be private. This vulnerability is fixed in 1.28.0.

Frequently asked questions

What is CVE-2025-62166?: FreshRSS is a free, self-hostable RSS aggregator. Prior 1.28.0, a bug in the auth logic related to master authentication tokens, this restriction is bypassed. Usually only the default user's feed should be viewable if anonymous viewing is enabled, and feeds of other users should be private. This vulnerability is fixed in 1.28.0.
How severe is CVE-2025-62166?: CVE-2025-62166 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-62166 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-62166?: CVE-2025-62166 affects Freshrss. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-62166?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-62166 have an EU (EUVD) identifier?: Yes. CVE-2025-62166 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208442.
When was CVE-2025-62166 published?: CVE-2025-62166 was published on 2026-03-09 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Freshrss

CVE-2025-68932 — Critical (CVSS 9.8): FreshRSS is a free, self-hostable RSS aggregator. Prior to version 1.28.0, FreshRSS uses cryptographically weak random…
CVE-2025-54875 — Critical (CVSS 9.8): FreshRSS is a free, self-hostable RSS aggregator. In versions 1.16.0 and above through 1.26.3, an unprivileged attacker…
CVE-2025-54592 — Critical (CVSS 9.8): FreshRSS is a free, self-hostable RSS aggregator. Versions 1.26.3 and below do not properly terminate the session…
CVE-2025-58173 — High (CVSS 8.8): FreshRSS is a self-hosted RSS feed aggregator. In versions 1.23.0 through 1.27.0, using a path traversal inside the…
CVE-2025-54591 — High (CVSS 7.5): FreshRSS is a free, self-hostable RSS aggregator. Versions 1.26.3 and below expose information about feeds and tags of…
CVE-2025-31134 — High (CVSS 7.5): FreshRSS is a self-hosted RSS feed aggregator. Prior to version 1.26.2, an attacker can gain additional information…

All CVEs affecting Freshrss →

Other CWE-284 (Improper Access Control) vulnerabilities

CVE-2026-76607 — Critical (CVSS 10.0): Joomla Extension - fabrikar.com - Missing ACL check in download element in Fabrik < 4.7.3 - ???.
CVE-2026-20315 — Critical (CVSS 10.0): As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Workload engineering…
CVE-2026-70921 — Critical (CVSS 10.0): Vulnerability in the Oracle Hyperion Financial Management product of Oracle Hyperion (component: Security). The…
CVE-2026-66803 — Critical (CVSS 10.0): Improper access control in Azure Cosmos DB allows an unauthorized attacker to execute code over a network.
CVE-2026-58630 — Critical (CVSS 10.0): Improper access control in Azure App Service allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-60358 — Critical (CVSS 10.0): Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine).…

Browse all CWE-284 (Improper Access Control) vulnerabilities →