CVE-2026-18258: Authorization bypass in the Line, LineTranscription, VirtualCollection, tag and process API endpoints in Scrip

Q: How do I fix CVE-2026-18258?

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

Q: Is CVE-2026-18258 being exploited?

CVE-2026-18258 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-2026-18258 affect?

CVE-2026-18258 affects escriptorium. Severity is high (CVSS 8.8). 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 v

This month

HIGH 8.8UPGRADE

CVE-2026-18258 is a high-severity flaw (CVSS 8.8) affecting escriptorium. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-639
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.

Exact fixes by distribution

Fedora 46 · kwin-zones · FIXED · 1.0.13-1.fc46 · FEDORA-2026-95888f332b · source

sudo dnf upgrade --advisory=FEDORA-2026-95888f332b

Fedora ELN · nginx-mod-brotli · FIXED · 1.0.0~rc-16.eln159 · FEDORA-2026-501a6a8273 · source

sudo dnf upgrade --advisory=FEDORA-2026-501a6a8273

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-2026-18258?

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

Is CVE-2026-18258 being exploited?

CVE-2026-18258 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-2026-18258 affect?

CVE-2026-18258 affects escriptorium. Severity is high (CVSS 8.8). 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 v

How urgent is CVE-2026-18258?

Priority 42/100. High severity

Related CVEs

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.
CVE-2026-18276 MEDIUM 4.3 UPGRADE Missing authorization in the websocket consumer in Scripta eScriptorium through 26.04.1 allows a remote authen

References

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