Insertion of Sensitive Information Into Sent Data Affecting openclaw package, versions <2026.2.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JS-OPENCLAW-15307797
- published18 Feb 2026
- disclosed17 Feb 2026
- creditYue (Knox) Liu
Introduced: 17 Feb 2026
NewCVE-2026-28481 (opens in a new tab)How to fix?
Upgrade openclaw to version 2026.2.1 or higher.
Overview
openclaw is a 🦞 OpenClaw — Personal AI Assistant
Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data via the process that handles downloading inbound MS Teams attachments or inline images, specifically when retrying URLs with an Authorization header after receiving certain HTTP responses. An attacker can obtain sensitive bearer tokens by crafting messages that reference untrusted but allowlisted hosts, causing the token to be sent to unintended domains.
Note: This only affects deployments that enable the optional MS Teams extension (Teams channel). If you do not use MS Teams, you are not impacted.