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In limbo for 50 days

GHSA-fx6j-x9m5-vmrf

MessagePack on NuGet · published in messagepack-csharp/messagepack-csharp

Read the advisory on GitHub ↗

Fixed in 2.5.305, 3.1.10. Dependabot, npm audit and OSV-Scanner won’t flag this yet. Find it in your project

Facts

Severity
Medium · CVSS score 5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected versions
[2.1.115, 2.5.305), [3.0, 3.1.10)As entered by the maintainer. Not reviewed. Scanners can’t read this range. How to fix it
Fixed in
2.5.305, 3.1.10
CVE
None cited by the advisory
GitHub Advisory Database
Not reviewed
OSV.dev
Not present
Other CVEs pointing here
None found in the CVE List

If you use MessagePack [2.1.115, 2.5.305), [3.0, 3.1.10)

Upgrade to the fixed version for your release line: 2.5.305, 3.1.10. Dependabot, npm audit and OSV-Scanner won’t flag this yet.

Timeline

  1. 2026-09-23 13:35 UTC

    Published by the maintainers

    No CVE cited

  2. 2026-10-28 07:21 UTC

    First seen by Limbowatch

    not reviewed · not in OSV

  3. Waiting

    Reviewed by GitHub

  4. Waiting

    In OSV; scanners can see it

Machine-readable record: feed/GHSA-fx6j-x9m5-vmrf.json