CVE-2026-125087: Michael-A-Kuykendall Shimmy · Improper Authentication
Source GCVE Database
Public exploit available · CVSS 6.9 Medium · fixed in 2.6.5 : patch Shimmy as a priority.
Data as of 10 Nov 2026, 04:19 UTC
Thin evidence
One scorer or none| CNA (VulDB) | CVSS 4.0 | 6.9 |
|---|---|---|
| CNA (VulDB) | CVSS 3.1 | 7.3 |
| CNA (VulDB) | CVSS 3.0 | 7.3 |
| CNA (VulDB) | CVSS 2.0 | 7.5 |
- Patch
- Available – fixed in 2.6.5
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 10 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
CVSS exploit maturity: proof of concept public
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), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Michael-A-KuykendallShimmy | Affected
| Fixed in– |
crates.iogithub/Michael-A-Kuykendall/shimmypkg:cargo/github/Michael-A-Kuykendall/shimmyOther 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
Upgrade Michael-A-Kuykendall Shimmy to version 2.6.5 or later to apply the official patch (commit 3f2ee748c02eeb229987913fe289a2ed9a24595d) that fixes the authentication bypass vulnerability. No additional mitigations are specified.
Description
A vulnerability in Michael-A-Kuykendall Shimmy up to version 2.6.4 allows remote attackers to bypass authentication due to an issue in the Inference API component. This flaw affects an unknown function in src/server.rs and can be exploited remotely without privileges or user interaction. The issue is fixed in version 2.6.5.
References
- nvd.nist.gov/vuln/detail/CVE-2026-125087 (opens in a new tab)
- github.com/Michael-A-Kuykendall/shimmy/issues/221 (opens in a new tab)
- github.com/Michael-A-Kuykendall/shimmy/commit/3f2ee748c02eeb229987913fe289a2ed9a24595d (opens in a new tab)
- github.com/Michael-A-Kuykendall/shimmy (opens in a new tab)
- github.com/Michael-A-Kuykendall/shimmy/releases/tag/v2.6.5 (opens in a new tab)
- vuldb.com/cve/CVE-2026-125087 (opens in a new tab)
- vuldb.com/submit/1042415 (opens in a new tab)
- vuldb.com/vuln/433198 (opens in a new tab)
- vuldb.com/vuln/433198/cti (opens in a new tab)