CVE-2026-1260
January 22, 2026
Invalid memory access in Sentencepiece versions less than 0.2.1 when using a vulnerable model file, which is not created in the normal training procedure.
Affected Packages
sentencepiece (CONDA):
Affected version(s) >=0.1.91 <0.2.1Fix Suggestion:
Update to version 0.2.1sentencepiece (PYTHON):
Affected version(s) >=0.0.0 <0.2.1Fix Suggestion:
Update to version 0.2.1Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.5
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Restriction of Operations within the Bounds of a Memory Buffer
