CVE-2026-62334: openvm · Unchecked Error Condition
Affects openvmSource CVE Database V5
Not known to be exploited · CVSS 8.7 High · fixed in 2.1.0-preview : patch openvm soon.
Data as of 30 Oct 2026, 20:18 UTC
Thin evidence
One scorer or none| CNA (GitHub_M) | CVSS 4.0 | 8.7 |
|---|
- Patch
- Available – fixed in 2.1.0-preview, 2.0.0-rc.3, 1.7.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 30 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Upgrade openvm to 2.1.0-preview, 2.0.0-rc.3 or 1.7.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| openvm-orgopenvm | Affected
| Fixed in
|
| openvm-orgopenvm | Affected
| Fixed in
|
| openvm-orgopenvm | Affected
| Fixed in
|
AI-suggested
This vulnerability is fixed in OpenVM versions 1.7.0, 2.0.0-rc.3, and 2.1.0-preview. Users should upgrade to these or later versions to remediate the issue. No additional mitigations are indicated by the vendor advisory.
Description
CVE-2026-62334 is a high-severity vulnerability in openvm-org's OpenVM zkVM framework affecting versions prior to 1.7.0 in the 1.x line, and certain prereleases of 2.0 and 2.1. The issue arises from improper verification in the OpenVmHalo2Verifier.verify function, where user-controlled proof data can cause the system to accept arbitrary commitments without proper proof validation. This flaw allows bypassing the intended proof checks by exploiting dispatch to non-verifier functions. The vulnerability is fixed in OpenVM versions 1.7.0, 2.0.0-rc.3, and 2.1.0-preview.
References
- github.com/openvm-org/openvm/security/advisories/GHSA-j29p-wr24-hp4f (opens in a new tab)
- github.com/openvm-org/openvm/pull/151 (opens in a new tab)
- github.com/openvm-org/openvm/commit/751bdb1725254c3268782ddf8df89f19035666e3 (opens in a new tab)
- github.com/openvm-org/openvm/blob/v2.0.0-alpha/crates/sdk/contracts/template/OpenVmHalo2Verifier.sol (opens in a new tab)
- github.com/openvm-org/openvm/blob/v2.0.0-beta.2/crates/sdk/contracts/template/OpenVmHalo2Verifier.sol (opens in a new tab)
- github.com/openvm-org/openvm/blob/v2.1.0-dev.0/crates/sdk/contracts/template/OpenVmHalo2Verifier.sol (opens in a new tab)
- github.com/openvm-org/openvm/releases/tag/v1.7.0 (opens in a new tab)
- github.com/openvm-org/openvm/releases/tag/v2.0.0-rc.3 (opens in a new tab)
- github.com/openvm-org/openvm/releases/tag/v2.1.0-preview (opens in a new tab)