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CVE-2026-32284: msgpack through 3.1.2 (inclusive); +3 more affected products
CVE-2026-32284. CVSS 3.1 base score 7.5 (HIGH, Source advisory). EPSS 0.00695 (percentile 0.51394), scored 2026-10-06.
Affected technology
msgpack · through 3.1.2 (inclusive)
shamaton
github.com/shamaton/msgpack · Exact affected versions not specified by the source
github.com/shamaton/msgpack
github.com/shamaton/msgpack/v2 · 0 to before 2.4.1
github.com/shamaton/msgpack/v2
github.com/shamaton/msgpack/v3 · 0 to before 3.1.1
github.com/shamaton/msgpack/v3
Component: Not specified by the source
Function: Unmarshal, UnmarshalAsMap, UnmarshalAsArray, DecodeStructAsArray, DecodeStructAsMap
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
The source reports that an attacker could disrupt service under the conditions described by the source. Source advisory’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high.
- CWE
- CWE-125
- CCR priority
- 30.2 /100 (P4)
- CVSS 3.1
- 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · Source advisory
- EPSS
- 0.00695 · percentile 0.51394 · 2026-10-06
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-07 19:02:04.772962+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-32284.html