Command injection in WSO2 BPMN System REST APIs allows code execution
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-78.
Summary
WSO2 Enterprise Integrator (BPS profile) through 6.6.0 and WSO2 Business Process Server through 3.6.0 are affected. The BPMN System REST APIs do not sufficiently validate input parameters, a flaw classified as CWE-78. An authenticated user can submit crafted requests that execute arbitrary commands on the server with the privileges of the product's runtime account, so the scope of damage depends on that account's permissions.
Written with Claude Haiku 5.5 from the sources below · 2026-11-05
Description from the CNA
The BPMN System REST APIs do not sufficiently validate input parameters, allowing authenticated users to submit crafted requests that can lead to the execution of arbitrary commands on the server. An authenticated user can leverage this vulnerability to execute arbitrary commands with the privileges of the product's runtime account. The scope of potential damage is contingent upon the permissions assigned to this account.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
The sources list no fixed version for WSO2 Enterprise Integrator (BPS profile). The sources list no fixed version for WSO2 Business Process Server.
Written with Claude Haiku 5.5 from the sources below · 2026-11-05
Timeline
- 2026-10-28 Threatist record created from CVE-2026-78674
- 2026-10-28 Alias added: GHSA-hqmm-q55h-r6p8
- 2026-10-29 CISA SSVC decision points changed
- 2026-10-29 Priority changed: MEDIUM → LOW
- 2026-10-30 Priority changed: LOW → MEDIUM
References
More WSO2 vulnerabilities
- TI-2026-04755 Authentication Bypass via JWT Algorithm Mismatch in Multiple WSO2 Products Allows Account Takeover KEVCVSS 3.1CRITICAL 10.0
- TI-2022-11928 Certain WSO2 products allow unrestricted file upload with resultant remote code execution. KEVCVSS 3.1CRITICAL 9.8
- TI-2022-18808 An issue was discovered in WSO2 Enterprise Integrator 6.4.0. CVSS 3.1MEDIUM 6.1
- TI-2020-15069 The Management Console in WSO2 API Manager through 3.1.0 and API Microgateway 2.2.0… CVSS 3.1CRITICAL 9.1
- TI-2023-15163 A reflected cross-site scripting (XSS) vulnerability in /authenticationendpoint/login.do… CVSS 3.1MEDIUM 6.1
- TI-2022-04130 WSO2 carbon-registry Advanced Search advancedSearchForm-ajaxprocessor.jsp cross site scripting CVSS 3.1MEDIUM 6.1
Sources
- CVE-2026-78674 · CVE Program
- CVE-2026-78674 · NVD
- FIRST EPSS
- GHSA-hqmm-q55h-r6p8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences