What is CVE-2026-100581?

CVE-2026-100581 is a medium-severity vulnerability in Openclaw, classified under Cleartext Storage of Sensitive Information. CVSS score: 5.5/10. Published 2026-09-26.

How severe is CVE-2026-100581?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Openclaw

CVE-2026-100581

OpenClaw for iOS before 2026.8.11 stores Gateway credentials as cleartext JSON in App Group UserDefaults instead of the device Keychain. Attackers with access to unencrypted device backups or extracted App Group containers can recover valid Gateway tokens and passwords to authenticate with operator authority.

Published 2026-09-26 · last modified 2026-09-30.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (0.1th percentile), scored 2026-11-09.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Openclaw

Weakness classification (CWE)

CWE-312 — Cleartext Storage of Sensitive Information

References

GitHub Security Advisory (GHSA-gcm4-fmcp-2f9r) (vendor-advisory)
VulnCheck Advisory: OpenClaw iOS before 2026.8.11 Credential Storage via Share Extension (third-party-advisory)

Frequently asked questions

What is CVE-2026-100581?: CVE-2026-100581 is a medium-severity vulnerability in Openclaw, classified under Cleartext Storage of Sensitive Information. CVSS score: 5.5/10. Published 2026-09-26.
How severe is CVE-2026-100581?: Medium severity. CVSS v3 base score is 5.5 out of 10.