Sentencepiece <0.2.1: Invalid Mem Acc via Vulnerable Model File
CVE-2026-1260 Published on January 22, 2026
Invalid Memory Access in Sentencepiece,
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.
Weakness Type
What is a Buffer Overflow Vulnerability?
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
CVE-2026-1260 has been classified to as a Buffer Overflow vulnerability or weakness.
Affected Versions
Google Sentencepiece Version All versions prior to 0.2.1 is affected by CVE-2026-1260Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.