CVE-2026-28481

MEDIUM

6.5

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.16.5

SeveridadeMEDIUM

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioREQUIRED

Publicado3/5/2026

Ultima modificacao3/17/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

openclaw:openclaw

Fraquezas (CWE)

CWE-201

Referencias

https://github.com/openclaw/openclaw/commit/41cc5bcd4f1d434ad1bbdfa55b56f25025ecbf6b(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/security/advisories/GHSA-7vwx-582j-j332(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openclaw-bearer-token-leakage-via-ms-teams-attachment-downloader-suffix-matching(disclosure@vulncheck.com)

Correlacoes IOC

Sem correlacoes registradas

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