CVE-2026-18258
Authorization Bypass Through User-Controlled Key in eScriptorium
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
INFO
Published Date :
Aug. 6, 2026, 4:16 p.m.
Last Modified :
Aug. 18, 2026, 6:05 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | ceab7361-8a18-47b1-92ba-4d7d25f6715a | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | MITRE-CVE |
Solution
- Verify that API endpoints correctly scope queries to the authenticated user.
- Validate primary keys against request-scoped user data.
- Ensure all user data access is restricted by authorization.
- Apply necessary patches or updates from the vendor.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-18258.
| URL | Resource |
|---|---|
| https://gitlab.com/scripta/escriptorium/-/work_items/1226 | Permissions Required |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-18258 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-18258
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-18258 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-18258 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Aug. 18, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:escriptorium:escriptorium:*:*:*:*:*:*:*:* versions up to (including) 26.04.1 Added Reference Type GitLab Inc.: https://gitlab.com/scripta/escriptorium/-/work_items/1226 Types: Permissions Required -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 06, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-18258', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-08-06T15:45:38.837492Z'} -
New CVE Received by [email protected]
Aug. 06, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Scripta', 'product': 'eScriptorium', 'versions': [{'status': 'affected', 'version': '0', 'versionType': 'semver', 'lessThanOrEqual': '26.4.1'}], 'defaultStatus': 'unaffected'}] Added 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 Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-639 Added Reference https://gitlab.com/scripta/escriptorium/-/work_items/1226