SQL Injection in Risesoft-Y9 Workflow-Engine
CVE-2026-102616
A vulnerability was detected in risesoft-y9 WorkFlow-Engine up to 9.6.10. Impacted is the function getByIdAndYear of the file CustomHistoricProcessServiceImpl.java of the component OAuth2 Resource Filter. Performing a manipulation of the argument year/processInstanceId results in sql injection. Remote exploitation of the attack is possible. The exploit is now public and may be used. The sink is injectable on two independent positions, not just one. The vendor was contacted early about this disclosure but did not respond in any way.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Risesoft-Y9 Workflow-Engine — versions 9.6.0, 9.6.1, 9.6.10
Weakness classification (CWE)
References
- vuldb.com/vuln/411406 (technical-description, vdb-entry)
- vuldb.com/vuln/411406/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-102616 (third-party-advisory)
- vuldb.com/submit/942286 (third-party-advisory)
- github.com/fangtang7/CVE/blob/main/WorkFlow-Engine/sql.md (exploit)
Frequently asked questions
- What is CVE-2026-102616?
- CVE-2026-102616 is a high-severity vulnerability in Risesoft-Y9 Workflow-Engine, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-09-29.
- How severe is CVE-2026-102616?
- High severity. CVSS v3 base score is 7.3 out of 10.