What is CVE-2026-35657?

CVE-2026-35657 is a medium-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-04-10.

How severe is CVE-2026-35657?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Openclaw

CVE-2026-35657

OpenClaw before 2026.3.25 contains an authorization bypass vulnerability in the HTTP /sessions/:sessionKey/history route that skips operator.read scope validation. Attackers can access session history without proper operator read permissio…

Vulnerability class: Broken Access Control

EPSS: 0.000 (8.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Openclaw — versions 0, 2026.3.25

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

GitHub Security Advisory (GHSA-5jvj-hxmh-6h6j) (third-party-advisory)
Patch Commit (patch)
VulnCheck Advisory: OpenClaw < 2026.3.25 - Authorization Bypass in HTTP Session History Route (third-party-advisory)

Frequently asked questions

What is CVE-2026-35657?: CVE-2026-35657 is a medium-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-04-10.
How severe is CVE-2026-35657?: Medium severity. CVSS v3 base score is 6.5 out of 10.