CVE-2026-46669: CWE-20: Improper Input Validation in openvm-org openvm
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.
AI Analysis
Technical Summary
CVE-2026-46669 describes an input validation flaw (CWE-20) in the openvm-pairing guest library of OpenVM, a zkVM framework. Specifically, before version 1.6.0, the try_honest_pairing_check function invokes Theorem 3 from a referenced cryptographic paper but does not validate that the scaling factor s belongs to a proper subfield of Fp12. This omission allows the function to produce incorrect results during the pairing check, potentially undermining cryptographic assurances. The issue is fixed in OpenVM version 1.6.0.
Potential Impact
The vulnerability can cause incorrect results in cryptographic pairing checks, which may affect the integrity or correctness of cryptographic operations relying on this function. The CVSS 4.0 score is 8.7 (high severity), indicating a significant impact with network attack vector, no privileges required, and high impact on integrity. There is no indication of known exploits in the wild.
Mitigation Recommendations
Upgrade OpenVM to version 1.6.0 or later, where this input validation issue has been patched. No other mitigation or temporary workaround is indicated.
CVE-2026-46669: CWE-20: Improper Input Validation in openvm-org openvm
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.
CVSS v4.0
Score 8.7high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-46669 describes an input validation flaw (CWE-20) in the openvm-pairing guest library of OpenVM, a zkVM framework. Specifically, before version 1.6.0, the try_honest_pairing_check function invokes Theorem 3 from a referenced cryptographic paper but does not validate that the scaling factor s belongs to a proper subfield of Fp12. This omission allows the function to produce incorrect results during the pairing check, potentially undermining cryptographic assurances. The issue is fixed in OpenVM version 1.6.0.
Potential Impact
The vulnerability can cause incorrect results in cryptographic pairing checks, which may affect the integrity or correctness of cryptographic operations relying on this function. The CVSS 4.0 score is 8.7 (high severity), indicating a significant impact with network attack vector, no privileges required, and high impact on integrity. There is no indication of known exploits in the wild.
Mitigation Recommendations
Upgrade OpenVM to version 1.6.0 or later, where this input validation issue has been patched. No other mitigation or temporary workaround is indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-05-15T21:46:51.546Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a29d0250e53e73883986cc8
Added to database: 6/10/2026, 8:59:17 PM
Last enriched: 6/10/2026, 9:14:14 PM
Last updated: 6/11/2026, 12:07:55 AM
Views: 7
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