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CVE-2026-46669— `openvm-pairing` pairing check missing proper subfield check on scaling factor

AI Predicted 5.3 Difficulty: Moderate EPSS 0.23% · P13

Possible ATT&CK Techniques 1AI

T1574 · Hijack Execution Flow

Affected Version Matrix 1

VendorProductVersion RangeStatus
openvm-orgopenvm< 1.6.0affected
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I. Basic Information for CVE-2026-46669

Vulnerability Information
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Vulnerability Title
`openvm-pairing` pairing check missing proper subfield check on scaling factor
Source: CVE Program / CVE List V5
Vulnerability Description
OpenVM is a performant and modular zkVM framework built for customization and extensibility. Prior to version 1.6.0, the openvm-pairing guest library's try_honest_pairing_check function invokes Theorem 3 of https://eprint.iacr.org/2024/640.pdf but does not check that the scaling factor s is in a proper subfield of Fp12. This allows incorrect results to the pairing check. This issue has been patched in version 1.6.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
OpenVM 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenVM是OpenVM开源的一个为定制和可扩展性而构建的高性能和模块化zkVM框架。 OpenVM 1.6.0之前版本存在输入验证错误漏洞，该漏洞源于openvm-pairing库的try_honest_pairing_check函数未检查缩放因子s是否在Fp12的适当子域中，可能导致配对检查结果不正确。
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

VendorProductAffected VersionsCPESubscribe
openvm-orgopenvm < 1.6.0 -

II. Public POCs for CVE-2026-46669

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III. Intelligence Information for CVE-2026-46669

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Vendor Advisories for CVE-2026-46669 (1)

Vendor Pages for CVE-2026-46669 (1)

IV. Related Vulnerabilities

Same product: openvm
Same vendor: openvm-org
Same weakness: CWE-20

V. Comments for CVE-2026-46669

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