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In limbo for 70 days

GHSA-4x39-xh35-w96w

io.modelcontextprotocol:kotlin-sdk-client (and umbrella kotlin-sdk) on Maven · published in modelcontextprotocol/kotlin-sdk

Read the advisory on GitHub ↗

Fixed in 0.14.0. Dependabot, npm audit and OSV-Scanner won’t flag this yet. Find it in your project

Facts

Severity
Medium · CVSS score 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Package name
io.modelcontextprotocol:kotlin-sdk-client (and umbrella kotlin-sdk)As entered. Doesn’t look like a valid Maven package name, so scanners can’t match it. How to fix it
Affected versions
<= 0.13.0As entered by the maintainer. Not reviewed.
Fixed in
0.14.0
CVE
CVE-2026-63657 · reserved, record not publishedThe ID is public but empty: looking it up returns nothing. The CVE Program expects publication within 72 hours.
GitHub Advisory Database
Not reviewed
OSV.dev
Not present
Other CVEs pointing here
None found in the CVE List

If you use io.modelcontextprotocol:kotlin-sdk-client (and umbrella kotlin-sdk) <= 0.13.0

Upgrade to 0.14.0 or later. Dependabot, npm audit and OSV-Scanner won’t flag this yet.

Timeline

  1. 2026-09-03 11:29 UTC

    Published by the maintainers

    Cites CVE-2026-63657

  2. 2026-10-31 12:45 UTC

    First seen by Limbowatch

    CVE still reserved · not reviewed · not in OSV

  3. Waiting

    CVE record published

  4. Waiting

    Reviewed by GitHub

  5. Waiting

    In OSV; scanners can see it

Machine-readable record: feed/GHSA-4x39-xh35-w96w.json