Information disclosure in Openclaw
CVE-2026-100543
OpenClaw (npm package openclaw) before 2026.8.1 could include deterministic hashes computed over the original, unredacted configuration in redacted configuration responses. When the Gateway password had low entropy and the remaining configuration values were reconstructable, these hashes acted as offline password verifiers: a caller able to obtain the redacted configuration (for example via config.get) could test password candidates offline without going through the rate-limited Gateway authentication path. Recovering the password could grant the documented shared-secret operator authority. Secret references were not affected in the same way. The issue is fixed in 2026.8.1.
Vulnerability class: Information Disclosure
Published .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-qgj5-6x35-9g6f (vendor-advisory)
- www.vulncheck.com/advisories/openclaw-before-2026.8.1-information-disclosure-vi… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-100543?
- CVE-2026-100543 is a high-severity vulnerability in Openclaw, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-09-26.
- How severe is CVE-2026-100543?
- High severity. CVSS v3 base score is 7.5 out of 10.