CVE-2026-18258

Authorization Bypass Through User-Controlled Key in eScriptorium

HIGH
8.8
CVSS Score
Published: August 6, 2026 at 03:11 PM UTC
Updated: October 23, 2026 at 09:10 PM UTC
2 products affected across 2 vendorsEscriptoriumeScriptorium

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Severity
HIGH8.8
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versionsv ≤ 26.04.1
0 ≤ v ≤ 26.4.1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHGitLab
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-639

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