What’s Vulnerable › Vulnerabilities

CVE-2026-1260: Invalid Memory Access in Sentencepiece,

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-22 · updated 2026-07-15
• Weakness: CWE-119

Description

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 products

• Google Sentencepiece: before 0.2.1 — fixed in 0.2.1

How to fix

Upgrade to a fixed version: Google Sentencepiece 0.2.1. Check the vendor advisory for mitigations.

References

• https://github.com/google/sentencepiece/releases/tag/v0.2.1
• https://access.redhat.com/errata/RHSA-2026:3713
• https://access.redhat.com/errata/RHSA-2026:3782
• https://access.redhat.com/security/cve/CVE-2026-1260
• https://bugzilla.redhat.com/show_bug.cgi?id=2432079
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1260.json

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