Medium severity6.5NVD Advisory· Published Mar 5, 2026· Updated Jun 17, 2026
CVE-2026-28481
CVE-2026-28481
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
openclawnpm | < 2026.2.1 | 2026.2.1 |
Affected products
3Patches
Vulnerability mechanics
References
6- github.com/openclaw/openclaw/commit/41cc5bcd4f1d434ad1bbdfa55b56f25025ecbf6bnvdPatchWEB
- github.com/advisories/GHSA-7vwx-582j-j332ghsaADVISORY
- github.com/openclaw/openclaw/security/advisories/GHSA-7vwx-582j-j332nvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-28481ghsaADVISORY
- www.vulncheck.com/advisories/openclaw-bearer-token-leakage-via-ms-teams-attachment-downloader-suffix-matchingnvdThird Party AdvisoryWEB
- github.com/openclaw/openclaw/releases/tag/v2026.2.1ghsaWEB
News mentions
0No linked articles in our index yet.