unslothai unsloth unsafe reflection via externally-controlled input
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Partial Red Hat: 1 without a fix
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat.
Summary
Versions of unslothai unsloth from 0.1.501-beta before 0.1.902-beta are affected. In FastSentenceTransformer._is_transformer_module_ref, externally controlled input selects classes or code, which is unsafe reflection (CWE-470). A remote attacker with no privileges can trigger it when a user interacts with crafted input, with low impact to confidentiality, integrity and availability. A public exploit is linked in the references.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
A weakness has been identified in unslothai unsloth up to 0.1.501-beta. This affects the function FastSentenceTransformer._is_transformer_module_ref of the file unsloth/models/sentence_transformer.py. This manipulation of the argument Type causes use of externally-controlled input to select classes or code. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 0.1.902-beta is able to mitigate this issue. Patch name: de801746386a53a0cb26216e715a0af863b76ad9. The affected component should be upgraded.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Upgrade unslothai unsloth to version 0.1.902-beta, which includes patch de801746386a53a0cb26216e715a0af863b76ad9. Red Hat rates this Important and lists Red Hat OpenShift AI (RHOAI) as affected without a fix, with no plan available.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
- Fix · CNA unsloth (unslothai) Fixed in 0.1.902-beta
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenShift AI (RHOAI) | Affected | No fix yet |
Not affected: 1 product
- Red Hat OpenShift AI (RHOAI)
Timeline
- 2026-10-19 Threatist record created from CVE-2026-112075
- 2026-10-19 Affected versions changed · Red Hat
- 2026-10-19 CVSS score added · Red Hat
- 2026-10-19 Alias added: GHSA-fmj9-5fq7-mvjg
- 2026-10-19 CISA SSVC decision points changed
- 2026-10-19 Priority changed: LOW → MEDIUM
- 2026-10-21 Affected versions changed · Red Hat
References
Patch 3
More unslothai vulnerabilities
- TI-2026-62938 Unsloth Zoo Code Injection via model_type in config.json CVSS 4.0HIGH 8.6
Sources
- CVE-2026-112075 · CVE Program
- CVE-2026-112075 · NVD
- FIRST EPSS
- GHSA-fmj9-5fq7-mvjg · GitHub Advisory Database · CC BY 4.0
- CVE-2026-112075 · Red Hat security data · CC BY 4.0
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