How severe is CVE-2020-26826?

CVE-2020-26826 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-26826 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-26826?

CVE-2020-26826 primarily affects Sap Netweaver Application Server Java. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-26826?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-26826 published?

CVE-2020-26826 was published on 2020-12-09 and last updated on 2026-06-17.

CVE-2020-26826

CVE-2020-26826 is a medium-severity vulnerability in Sap Netweaver Application Server Java with a CVSS 3.x base score of 6.5. 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-434.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Sap Netweaver Application Server Java
Published: 2020-12-09
Last modified: 2026-06-17

Description

Process Integration Monitoring of SAP NetWeaver AS JAVA, versions - 7.31, 7.40, 7.50, allows an attacker to upload any file (including script files) without proper file format validation, leading to Unrestricted File Upload.

Frequently asked questions

What is CVE-2020-26826?: Process Integration Monitoring of SAP NetWeaver AS JAVA, versions - 7.31, 7.40, 7.50, allows an attacker to upload any file (including script files) without proper file format validation, leading to Unrestricted File Upload.
How severe is CVE-2020-26826?: CVE-2020-26826 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-26826 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-26826?: CVE-2020-26826 primarily affects Sap Netweaver Application Server Java. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-26826?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-26826 published?: CVE-2020-26826 was published on 2020-12-09 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:sap:netweaver_application_server_java:7.31:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_java:7.40:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_java:7.50:*:*:*:*:*:*:*

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