How severe is CVE-2025-1862?

CVE-2025-1862 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2025-1862 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-1862?

CVE-2025-1862 primarily affects Wso2 Enterprise Integrator. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-1862?

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

Does CVE-2025-1862 have an EU (EUVD) identifier?

Yes. CVE-2025-1862 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31321.

When was CVE-2025-1862 published?

CVE-2025-1862 was published on 2025-09-26 and last updated on 2026-06-17.

CVE-2025-1862

CVE-2025-1862 is a medium-severity vulnerability in Wso2 Enterprise Integrator with a CVSS 3.x base score of 6.7. 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 6.7)
EPSS exploit prediction: 1% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-31321
Weakness: CWE-434
Affected product: Wso2 Enterprise Integrator
Published: 2025-09-26
Last modified: 2026-06-17

Description

An arbitrary file upload vulnerability exists in multiple WSO2 products due to improper validation of user-supplied filenames in the BPEL uploader SOAP service endpoint. A malicious actor with administrative privileges can upload arbitrary files to a user-controlled location on the server. By leveraging this vulnerability, an attacker can upload a specially crafted payload and achieve remote code execution (RCE), potentially compromising the server and its data.

Frequently asked questions

What is CVE-2025-1862?: An arbitrary file upload vulnerability exists in multiple WSO2 products due to improper validation of user-supplied filenames in the BPEL uploader SOAP service endpoint. A malicious actor with administrative privileges can upload arbitrary files to a user-controlled location on the server. By leveraging this vulnerability, an attacker can upload a specially crafted payload and achieve remote code execution (RCE), potentially compromising the server and its data.
How severe is CVE-2025-1862?: CVE-2025-1862 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2025-1862 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-1862?: CVE-2025-1862 primarily affects Wso2 Enterprise Integrator. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-1862?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-1862 have an EU (EUVD) identifier?: Yes. CVE-2025-1862 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31321.
When was CVE-2025-1862 published?: CVE-2025-1862 was published on 2025-09-26 and last updated on 2026-06-17.

References

https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2025/WSO2-2025-3992/

Affected products (7)

cpe:2.3:a:wso2:enterprise_integrator:6.6.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:identity_server:5.10.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:identity_server:5.11.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:identity_server:6.0.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:identity_server:6.1.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:identity_server_as_key_manager:5.10.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:open_banking_iam:2.0.0:*:*:*:*:*:*:*

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