How severe is CVE-2026-46669?

CVE-2026-46669 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-46669 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-46669?

CVE-2026-46669 affects Openvm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-46669?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-46669 have an EU (EUVD) identifier?

Yes. CVE-2026-46669 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36121.

When was CVE-2026-46669 published?

CVE-2026-46669 was published on 2026-06-10 and last updated on 2026-06-17.

CVE-2026-46669

CVE-2026-46669 is a high-severity vulnerability in Openvm with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36121
Weakness: CWE-20
Affected product: Openvm
Published: 2026-06-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-46669?: 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.
How severe is CVE-2026-46669?: CVE-2026-46669 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-46669 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-46669?: CVE-2026-46669 affects Openvm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-46669?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-46669 have an EU (EUVD) identifier?: Yes. CVE-2026-46669 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36121.
When was CVE-2026-46669 published?: CVE-2026-46669 was published on 2026-06-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openvm:openvm:*:*:*:*:*:*:*:*

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