# CVE-2026-16712: Multiple Vulnerabilities in IBM API Connect

Status: published. Published: 2026-11-07. Updated: 2026-11-08.

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 obtain sensitive information from other tenants due to improper authorization. Identifiers supplied in requests are not sufficiently checked against the user's permissions, which could allow access to data belonging to other tenants.

## Remediation

- fix: IBM strongly recommends addressing the vulnerability now by upgrading to v12.1.1.3
Fix Central Link:  https://www.ibm.com/support/pages/node/7290205 



IBM strongly recommends addressing the vulnerability now by upgrading to 10.0.8.13Fix Central Link: https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm%7EWebSphere&product=ibm/WebSphere/IBM+API+Connect&release=10.0.8.12&platform=All&function=all (source: CNA: ibm)
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: ibm) — https://www.ibm.com/support/pages/node/7295635
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: ibm) — https://www.ibm.com/support/pages/node/7295637

## Affected products and versions

- IBM / API Connect: ≥ 12.1.0.0; ≤ 12.1.1.2 (affected, semver); ≥ 10.0.8.0; ≤ 10.0.8.12 (affected, semver). Source: CNA: ibm

## Severity and prioritization

- CVSS 3.1: 7.7 (high); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N; source: CNA: ibm

- CVSS 3.1: 7.7 (high); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N; source: NVD: psirt@us.ibm.com

- CISA KEV: No listing in collected sources

- EPSS: 0.44% as of 2026-11-07; percentile 38.33%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-639

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.ibm.com/support/pages/node/7295635 (CNA: ibm; vendor-advisory, patch)

- https://www.ibm.com/support/pages/node/7295637 (CNA: ibm; vendor-advisory, patch)

- https://www.ibm.com/support/pages/node/7295635 (psirt@us.ibm.com)

- https://www.ibm.com/support/pages/node/7295637 (psirt@us.ibm.com)

## Provenance

- CNA: ibm: https://www.cve.org/CVERecord?id=CVE-2026-16712; retrieved 2026-11-08; source updated 2026-11-08

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-16712; retrieved 2026-11-07; source updated 2026-11-07

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-16712; retrieved 2026-11-08; source updated Not reported

Revision: 50b6271b6826f0fc272bb2481b0856e5f7c1fac14ee884fe7f9a649d171501c5

Canonical: https://y2.dev/cve/CVE-2026-16712

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

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