CVE-2026-18276: Missing authorization in the websocket consumer in Scripta eScriptorium through 26.04.1 allows a remote authen

Q: How do I fix CVE-2026-18276?

escriptorium: upgrade to newer than 26.04.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-18276 being exploited?

CVE-2026-18276 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-18276 affect?

CVE-2026-18276 affects escriptorium. Severity is medium (CVSS 4.3). 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 an

Q: How urgent is CVE-2026-18276?

Priority 22/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2026-18276 is a medium-severity flaw (CVSS 4.3) affecting escriptorium. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 72%)
CISA exploited list	No
Weakness	CWE-862
Published	2026-08-06
Last modified	2026-10-23

Publisher (CNA): GitLab Inc. · Vendor: escriptorium

Last updated 2026-10-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-06 16:16 UTCPublished CVE record published
2026-10-23 21:10 UTCUpdated Record last modified

escriptorium escriptorium UPGRADE

Affected: <= 26.04.1

Fixed in: newer than 26.04.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy escriptorium || rpm -q escriptorium || escriptorium --version

2. UPGRADE to newer than 26.04.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade escriptorium

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade escriptorium

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-18276?

escriptorium: upgrade to newer than 26.04.1. Exact commands for each OS are on this page.

Is CVE-2026-18276 being exploited?

CVE-2026-18276 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-18276 affect?

CVE-2026-18276 affects escriptorium. Severity is medium (CVSS 4.3). 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 an

How urgent is CVE-2026-18276?

Priority 22/100. No elevated risk signals yet.

Related CVEs

CVE-2026-18258 HIGH 8.8 UPGRADE Authorization bypass in the Line, LineTranscription, VirtualCollection, tag and process API endpoints in Scrip
CVE-2026-18359 HIGH 8.5 UPGRADE Server-side request forgery in the METS and IIIF import URI handling in Scripta eScriptorium through 26.04.1 a
CVE-2026-18277 HIGH 7.1 UPGRADE Missing authorization in the OcrModelRight create and delete views in Scripta eScriptorium through 26.04.1 all
CVE-2026-18275 MEDIUM 6.5 UPGRADE Authorization bypass in the process and annotation taxonomy serializers in Scripta eScriptorium through 26.04.

References

← Back to latest CVEs