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CVE-2026-73061— Scriban before 7.2.2 Arbitrary Property Write via TypedObjectAccessor

Quick assessment

Affected
scriban scriban
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

scriban是scriban组织的一款高性能的文本模板引擎。 scriban 7.2.2之前版本存在权限许可和访问控制问题漏洞，该漏洞源于TypedObjectAccessor中的访问修饰符绕过问题，允许模板代码在未检查setter可见性的情况下写入CLR对象属性，攻击者可修改具有私有、内部或仅初始化setter的属性，并对公共setter属性进行批量赋值，在模板渲染后永久更改活动宿主对象。

CVSS 9.8 · Critical EPSS 0.54% · P44

Possible ATT&CK Techniques 1 AI

T1055.004 · Asynchronous Procedure Call

Affected Version Matrix 2

VendorProduct Version RangeStatus
scriban scriban < 7.2.2 affected
7.2.2 unaffected
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I. Basic Information for CVE-2026-73061

Vulnerability Information
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Vulnerability Title
Scriban before 7.2.2 Arbitrary Property Write via TypedObjectAccessor
Source: CVE Program / CVE List V5
Vulnerability Description
Scriban before 7.2.2 contains an access-modifier bypass vulnerability in TypedObjectAccessor that allows template code to write CLR object properties without setter-visibility checks. Attackers can modify properties with private, internal, or init-only setters, and perform mass assignment on public-setter properties, permanently altering live host objects after template rendering.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
scriban 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
scriban是scriban组织的一款高性能的文本模板引擎。 scriban 7.2.2之前版本存在权限许可和访问控制问题漏洞，该漏洞源于TypedObjectAccessor中的访问修饰符绕过问题，允许模板代码在未检查setter可见性的情况下写入CLR对象属性，攻击者可修改具有私有、内部或仅初始化setter的属性，并对公共setter属性进行批量赋值，在模板渲染后永久更改活动宿主对象。
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
scriban scriban 0 ~ 7.2.2 -

II. Public POCs for CVE-2026-73061

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8723 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-73061

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Vendor Advisories for CVE-2026-73061 (2)

Same Patch Batch · scriban · 2026-08-16 · 15 CVEs total

CVE-2026-74790 9.1 CRITICAL Scriban before 7.0.0 MemberFilter Bypass via TemplateContext Cache
CVE-2026-74784 8.7 HIGH Scriban before 7.2.0 Denial of Service via array.insert_at
CVE-2026-74791 8.6 HIGH Scriban before 7.0.0 Authorization Bypass via Stale Include Cache
CVE-2026-74792 7.5 HIGH Scriban before 7.0.0 Stack Overflow via nested array initializers
CVE-2026-74783 7.5 HIGH Scriban 6.6.0 through 7.2.0 Parser Recursion Denial of Service
CVE-2026-74788 7.5 HIGH Scriban before 7.0.0 Denial of Service via string.pad_left/pad_right
CVE-2026-74795 7.5 HIGH Scriban before 6.6.0 Denial of Service via Uncontrolled Recursion
CVE-2026-74787 7.5 HIGH Scriban before 7.0.0 Uncontrolled Recursion via object.to_json
CVE-2026-74794 7.5 HIGH Scriban before 6.6.0 Denial of Service via Infinite Recursion
CVE-2026-74789 7.5 HIGH Scriban before 7.0.0 LoopLimit Bypass via Built-in Operations
CVE-2026-73062 7.5 HIGH Scriban 3.0.0 through 7.2.0 Denial of Service via Array Multiplication
CVE-2026-73060 7.5 HIGH Scriban 3.0.0 through 7.2.5 Denial of Service via ScriptRange.Multiply
CVE-2026-74785 6.5 MEDIUM Scriban before 7.0.0 Denial of Service via Unbounded Resource Consumption
CVE-2026-74786 6.5 MEDIUM Scriban before 7.0.0 Denial of Service via Unbounded Template Output

IV. Related Vulnerabilities

Same product: scriban
Same vendor: scriban
Same weakness: CWE-284

V. Comments for CVE-2026-73061

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