Invalid Memory Access in Sentencepiece by Google
CVE-2026-1260

8.5HIGH

Key Information:

Vendor

Google
Status
Sentencepiece
Vendor
CVE Published:
22 January 2026

What is CVE-2026-1260?

An issue exists in Sentencepiece prior to version 0.2.1, where an invalid memory access can occur when using a model file that was not generated through standard training procedures. This vulnerability could potentially lead to various disruptions or unauthorized actions while processing textual data.

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Affected Version(s)

Sentencepiece All versions prior to 0.2.1

References

https://github.com/google/sentencepiece/releases/tag/v0.2.1

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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