unslothai unsloth sentence_transformer.py externally-controlled input to select classes or code

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-112075
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-19 04:17:09 UTC
Updated2026-10-19 17:17:10 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v4.0 2.1 LOW from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.003250000 probability, percentile 0.240460000 (date 2026-10-19)

Problem Types: CWE-470 | CWE-470 Use of Externally-Controlled Input to Select Classes or Code

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary2.1LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED5.3MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
3.1[email protected]Secondary6.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
3.1CNADECLARED6.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
3.0CNADECLARED6.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
2.0[email protected]Secondary7.5AV:N/AC:L/Au:N/C:P/I:P/A:P
2.0CNADECLARED7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
Passive
Confidentiality
Low
Integrity
Low
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unslothai Unsloth affected 0.1.501-beta Not specified
CNA Unslothai Unsloth unaffected 0.1.902-beta Not specified

References

ReferenceSourceLinkTags
vuldb.com/cve/CVE-2026-112075 [email protected] vuldb.com
github.com/user-attachments/files/32908312/poc.zip [email protected] github.com
vuldb.com/submit/1009576 [email protected] vuldb.com
vuldb.com/vuln/421754/cti [email protected] vuldb.com
github.com/unslothai/unsloth/issues/12419 [email protected] github.com
vuldb.com/vuln/421754 [email protected] vuldb.com
github.com/unslothai/unsloth/commit/de801746386a53a0cb26216e715a0af863b7... [email protected] github.com
github.com/unslothai/unsloth/pull/11560 [email protected] github.com
github.com/unslothai/unsloth/releases/tag/v0.1.902-beta [email protected] github.com
github.com/unslothai/unsloth [email protected] github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: r1ck99 (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-10-18T00:00:00.000ZAdvisory disclosed
CNA2026-10-18T02:00:00.000ZVulDB entry created
CNA2026-10-18T15:51:51.000ZVulDB entry last update

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