How severe is CVE-2025-65669?

CVE-2025-65669 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2025-65669 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-65669?

CVE-2025-65669 affects Classroomio. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-65669?

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-2025-65669 have an EU (EUVD) identifier?

Yes. CVE-2025-65669 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-199746.

When was CVE-2025-65669 published?

CVE-2025-65669 was published on 2025-11-26 and last updated on 2026-07-05.

CVE-2025-65669

CVE-2025-65669 is a critical-severity vulnerability in Classroomio with a CVSS 3.x base score of 9.1. 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-862.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-199746
Weakness: CWE-862
Affected product: Classroomio
Published: 2025-11-26
Last modified: 2026-07-05

Description

An issue was discovered in classroomio 0.1.13. Student accounts are able to delete courses from the Explore page without any authorization or authentication checks, bypassing the expected admin-only deletion restriction.

Frequently asked questions

What is CVE-2025-65669?: An issue was discovered in classroomio 0.1.13. Student accounts are able to delete courses from the Explore page without any authorization or authentication checks, bypassing the expected admin-only deletion restriction.
How severe is CVE-2025-65669?: CVE-2025-65669 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2025-65669 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-65669?: CVE-2025-65669 affects Classroomio. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-65669?: 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-2025-65669 have an EU (EUVD) identifier?: Yes. CVE-2025-65669 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-199746.
When was CVE-2025-65669 published?: CVE-2025-65669 was published on 2025-11-26 and last updated on 2026-07-05.

References

EU advisories (EUVD)

http://classroomio.com

Affected products (1)

cpe:2.3:a:classroomio:classroomio:0.1.13:*:*:*:*:*:*:*

More vulnerabilities in Classroomio

CVE-2025-67298 — High (CVSS 8.1): An issue in ClasroomIO before v.0.2.6 allows a remote attacker to escalate privileges via the endpoints /api/verify and…
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CVE-2025-65676 — Medium (CVSS 5.4): Stored Cross site scripting (XSS) vulnerability in Classroomio LMS 0.1.13 allows authenticated attackers to execute…
CVE-2025-65675 — Medium (CVSS 5.4): Stored Cross site scripting (XSS) vulnerability in Classroomio LMS 0.1.13 allows authenticated attackers to execute…
CVE-2025-65670 — Medium (CVSS 4.3): An Insecure Direct Object Reference (IDOR) in classroomio 0.1.13 allows students to access sensitive admin/teacher…

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