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 26.7.2.1-r0 soon.
Data as of 5 Nov 2026, 01:59 UTC
Thin evidence
One scorer or none| CNA (GitHub_M) | CVSS 3.1 | 7.5 |
|---|
- Patch
- Available – fixed in 26.7.2.1-r0
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 5 Nov 2026.
What to do
Upgrade miniforge3 to 26.7.2.1-r0.
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
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Apply the official patch by upgrading miniforge3 to version 26.7.2.1-r0 or later. This version contains the fix for the vulnerability. No additional mitigation steps are indicated.
Description
A high-severity vulnerability (CVE-2026-114613) affects the miniforge3 package, specifically in the MessagePack serializer implementation for Python msgpack. The vulnerability impacts versions prior to 26.7.2.1-r0 and can cause a denial of service (availability impact) without compromising confidentiality or integrity. A patch is available in version 26.7.2.1-r0.