Skip to main content

Openclaw CVE-2026-28481

MEDIUM
Insertion of Sensitive Information Into Sent Data (CWE-201)
2026-03-05 disclosure@vulncheck.com GHSA-7vwx-582j-j332
6.5
CVSS 3.1
Share

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

3
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 22:06 vuln.today
CVE Published
Mar 05, 2026 - 22:16 nvd
MEDIUM 6.5

DescriptionNVD

OpenClaw versions 2026.1.30 and earlier, contain an information disclosure vulnerability, patched in 2026.2.1, in the MS Teams attachment downloader (optional extension must be enabled) that leaks bearer tokens to allowlisted suffix domains. When retrying downloads after receiving 401 or 403 responses, the application sends Authorization bearer tokens to untrusted hosts matching the permissive suffix-based allowlist, enabling token theft.

AnalysisAI

OpenClaw versions 2026.1.30 and earlier leak authentication bearer tokens to untrusted domains when the optional MS Teams attachment downloader extension is enabled, due to overly permissive suffix-based domain allowlisting during download retries. An attacker could harvest these tokens from allowed domains to compromise authenticated sessions. …

Sign in for full analysis, threat intelligence, and remediation guidance.

RemediationAI

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Sign in for detailed remediation steps.

Share

CVE-2026-28481 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy