What is CVE-2026-34426?

CVE-2026-34426 is a high-severity vulnerability in Openclaw, classified under Incomplete List of Disallowed Inputs. CVSS score: 7.6/10. Published 2026-04-02.

How severe is CVE-2026-34426?

High severity. CVSS v3 base score is 7.6 out of 10.

Vulnerability in Openclaw

CVE-2026-34426

OpenClaw versions prior to commit b57b680 contain an approval bypass vulnerability due to inconsistent environment variable normalization between approval and execution paths, allowing attackers to inject attacker-controlled environment va…

EPSS: 0.000 (15.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:N.

Affected products

Openclaw — versions 0

Weakness classification (CWE)

CWE-184 — Incomplete List of Disallowed Inputs

References

GitHub Security Advisory (GHSA-h3x4-hc5v-v2gm) (vendor-advisory)
Patch Commit #1 (issue-tracking)
github.com/openclaw/openclaw/commit/b57b680c0c34de907d57f60c38fb358e82aef8f7 (patch)
www.vulncheck.com/advisories/openclaw-approval-bypass-via-environment-variable-… (third-party-advisory)

Frequently asked questions

What is CVE-2026-34426?: CVE-2026-34426 is a high-severity vulnerability in Openclaw, classified under Incomplete List of Disallowed Inputs. CVSS score: 7.6/10. Published 2026-04-02.
How severe is CVE-2026-34426?: High severity. CVSS v3 base score is 7.6 out of 10.