What is CVE-2026-18276?

CVE-2026-18276 is a medium-severity vulnerability in Escriptorium, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-08-06.

How severe is CVE-2026-18276?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Escriptorium

CVE-2026-18276

Missing authorization in the websocket consumer in Scripta eScriptorium through 26.04.1 allows a remote authenticated user to subscribe to any document's event stream and observe another user's segmentation, transcription, import, export and training activity via the object_cls and object_pk values of a join-room message, which are passed to group_add without an access check

Vulnerability class: Broken Access Control

Published 2026-08-06 · last modified 2026-10-23.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (29.6th percentile), scored 2026-11-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Escriptorium
Scripta Escriptorium — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

gitlab.com/scripta/escriptorium/-/work_items/1229 (Permissions Required)

Frequently asked questions

What is CVE-2026-18276?: CVE-2026-18276 is a medium-severity vulnerability in Escriptorium, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-08-06.
How severe is CVE-2026-18276?: Medium severity. CVSS v3 base score is 4.3 out of 10.