How severe is CVE-2020-26806?

CVE-2020-26806 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-2020-26806 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-26806?

CVE-2020-26806 affects Objectplanet Opinio. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-26806?

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.

When was CVE-2020-26806 published?

CVE-2020-26806 was published on 2021-07-31 and last updated on 2026-06-17.

CVE-2020-26806

CVE-2020-26806 is a high-severity vulnerability in Objectplanet Opinio 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-22.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Objectplanet Opinio
Published: 2021-07-31
Last modified: 2026-06-17

Description

admin/file.do in ObjectPlanet Opinio before 7.15 allows Unrestricted File Upload of executable JSP files, resulting in remote code execution, because filePath can have directory traversal and fileContent can be valid JSP code.

Frequently asked questions

What is CVE-2020-26806?: admin/file.do in ObjectPlanet Opinio before 7.15 allows Unrestricted File Upload of executable JSP files, resulting in remote code execution, because filePath can have directory traversal and fileContent can be valid JSP code.
How severe is CVE-2020-26806?: CVE-2020-26806 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-2020-26806 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-26806?: CVE-2020-26806 affects Objectplanet Opinio. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-26806?: 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.
When was CVE-2020-26806 published?: CVE-2020-26806 was published on 2021-07-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:objectplanet:opinio:*:*:*:*:*:*:*:*

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