How severe is CVE-2026-41900?

CVE-2026-41900 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-41900 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-41900?

CVE-2026-41900 affects Th30d4y Openlearnx. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-41900?

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-2026-41900 have an EU (EUVD) identifier?

Yes. CVE-2026-41900 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28500.

When was CVE-2026-41900 published?

CVE-2026-41900 was published on 2026-05-08 and last updated on 2026-06-17.

CVE-2026-41900

CVE-2026-41900 is a high-severity vulnerability in Th30d4y Openlearnx with a CVSS 3.x base score of 8.8. 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-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-28500
Weakness: CWE-78
Affected product: Th30d4y Openlearnx
Published: 2026-05-08
Last modified: 2026-06-17

Description

OpenLearnX is an open-source, decentralized learning and assessment platform. Prior to version 2.0.3, a remote code execution (RCE) vulnerability was identified in the OpenLearnX code execution environment, allowing sandbox escape and arbitrary command execution. This issue has been patched in version 2.0.3.

Frequently asked questions

What is CVE-2026-41900?: OpenLearnX is an open-source, decentralized learning and assessment platform. Prior to version 2.0.3, a remote code execution (RCE) vulnerability was identified in the OpenLearnX code execution environment, allowing sandbox escape and arbitrary command execution. This issue has been patched in version 2.0.3.
How severe is CVE-2026-41900?: CVE-2026-41900 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-41900 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-41900?: CVE-2026-41900 affects Th30d4y Openlearnx. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-41900?: 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-2026-41900 have an EU (EUVD) identifier?: Yes. CVE-2026-41900 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28500.
When was CVE-2026-41900 published?: CVE-2026-41900 was published on 2026-05-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:th30d4y:openlearnx:2.0.1:*:*:*:*:node.js:*:*

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