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

CVSS 9.8 · Critical

Possible ATT&CK Techniques 1AI

T1055.004 · Asynchronous Procedure Call

Affected Version Matrix 2

VendorProductVersion RangeStatus
scribanscriban< 7.2.2affected
7.2.2unaffected
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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

Affected Products

VendorProductAffected VersionsCPESubscribe
scribanscriban 0 ~ 7.2.2 -

II. Public POCs for CVE-2026-73061

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 8723 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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Trigger conditions & impact
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Exploit chain & mitigation
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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-2026-747909.1 CRITICALScriban before 7.0.0 MemberFilter Bypass via TemplateContext Cache
CVE-2026-747848.7 HIGHScriban before 7.2.0 Denial of Service via array.insert_at
CVE-2026-747918.6 HIGHScriban before 7.0.0 Authorization Bypass via Stale Include Cache
CVE-2026-747927.5 HIGHScriban before 7.0.0 Stack Overflow via nested array initializers
CVE-2026-747837.5 HIGHScriban 6.6.0 through 7.2.0 Parser Recursion Denial of Service
CVE-2026-747887.5 HIGHScriban before 7.0.0 Denial of Service via string.pad_left/pad_right
CVE-2026-747957.5 HIGHScriban before 6.6.0 Denial of Service via Uncontrolled Recursion
CVE-2026-747877.5 HIGHScriban before 7.0.0 Uncontrolled Recursion via object.to_json
CVE-2026-747947.5 HIGHScriban before 6.6.0 Denial of Service via Infinite Recursion
CVE-2026-747897.5 HIGHScriban before 7.0.0 LoopLimit Bypass via Built-in Operations
CVE-2026-730627.5 HIGHScriban 3.0.0 through 7.2.0 Denial of Service via Array Multiplication
CVE-2026-730607.5 HIGHScriban 3.0.0 through 7.2.5 Denial of Service via ScriptRange.Multiply
CVE-2026-747856.5 MEDIUMScriban before 7.0.0 Denial of Service via Unbounded Resource Consumption
CVE-2026-747866.5 MEDIUMScriban 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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