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CVE-2026-18275— Authorization Bypass Through User-Controlled Key in eScriptorium

Quick assessment

Affected
Scripta eScriptorium
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Scripta eScriptorium是Scripta团队的一个手写文本识别与标注平台。 Scripta eScriptorium 26.04.1及之前版本存在授权问题漏洞，该漏洞源于授权绕过，即many=True相关字段的queryset限制错误应用于ManyRelatedField而非其子关系，导致限制无效，可能导致远程认证用户对其他用户的文档部分运行分割和转录，覆盖其内容。

CVSS 6.5 · Medium EPSS 0.39% · P31

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Scripta eScriptorium ≤ 26.4.1 affected
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I. Basic Information for CVE-2026-18275

Vulnerability Information
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Vulnerability Title
Authorization Bypass Through User-Controlled Key in eScriptorium
Source: CVE Program / CVE List V5
Vulnerability Description
Authorization bypass in the process and annotation taxonomy serializers in Scripta eScriptorium through 26.04.1 allows a remote authenticated user to run segmentation and transcription against other users' document parts, overwriting their content, via part primary keys supplied to a many=True related field whose queryset restriction was applied to the ManyRelatedField instead of its child_relation and therefore had no effect
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
Scripta eScriptorium 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Scripta eScriptorium是Scripta团队的一个手写文本识别与标注平台。 Scripta eScriptorium 26.04.1及之前版本存在授权问题漏洞，该漏洞源于授权绕过，即many=True相关字段的queryset限制错误应用于ManyRelatedField而非其子关系，导致限制无效，可能导致远程认证用户对其他用户的文档部分运行分割和转录，覆盖其内容。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Scripta eScriptorium 0 ~ 26.4.1 -

II. Public POCs for CVE-2026-18275

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III. Intelligence Information for CVE-2026-18275

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Other References for CVE-2026-18275 (1)

Same Patch Batch · Scripta · 2026-08-06 · 5 CVEs total

CVE-2026-18258 8.8 HIGH Authorization Bypass Through User-Controlled Key in eScriptorium
CVE-2026-18359 8.5 HIGH Server-Side Request Forgery (SSRF) in eScriptorium
CVE-2026-18277 7.1 HIGH Missing Authorization in eScriptorium
CVE-2026-18276 4.3 MEDIUM Missing Authorization in eScriptorium

IV. Related Vulnerabilities

Same product: eScriptorium
Same vendor: Scripta
Same weakness: CWE-639

V. Comments for CVE-2026-18275

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