CVE-2026-114613: Miniforge3 · MessagePack is the serializer implementation for Python msgpack
Affects miniforge3Source GCVE Database
Not known to be exploited · CVSS 7.5 High : upgrade to 25.11.0.1-r6 soon.
Data as of 14 Nov 2026, 02:05 UTC
Thin evidence
One scorer or none| CNA (GitHub_M) | CVSS 3.1 | 7.5 |
|---|
- Patch
- Available – fixed in 25.11.0.1-r6, 26.1.1.3-r4, 26.3.2.3-r6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 22 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
Upgrade miniforge3 to 25.11.0.1-r6; miniforge3 to 26.1.1.3-r4; miniforge3 to 26.3.2.3-r6.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
CleanStartminiforge3pkg:apk/cleanstart/miniforge3?arch=x86_64Other threats | Affected
| Fixed in
|
CleanStartminiforge3pkg:apk/cleanstart/miniforge3?arch=aarch64Other threats | Affected
| Fixed in
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CleanStartminiforge3pkg:apk/cleanstart/miniforge3?arch=x86_64Other threats | Affected
| Fixed in
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CleanStartminiforge3pkg:apk/cleanstart/miniforge3?arch=aarch64Other threats | Affected
| Fixed in
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CleanStartminiforge3pkg:apk/cleanstart/miniforge3?arch=x86_64Other threats | Affected
| Fixed in
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CleanStartminiforge3pkg:apk/cleanstart/miniforge3?arch=aarch64Other threats | Affected
| Fixed in
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Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Users should upgrade to the fixed versions 25.11.0.1-r6, 26.1.1.3-r4, or 26.3.2.3-r6 of miniforge3 to remediate this vulnerability. Patch availability has been confirmed, and applying these updates will mitigate the risk.
Description
A high-severity security vulnerability (CVE-2026-114613) affects the miniforge3 package, specifically in the MessagePack serializer implementation for Python msgpack. The vulnerability has no impact on confidentiality or integrity but causes high impact on availability. Fixed versions have been released to address this issue.