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Vulnerability record · CVE-2026-1260 · published 22 January 2026

CVE-2026-1260: Google sentencepiece memory buffer overflow vulnerability

Google · 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.

8.5 CVSS 4.0 High EPSS 0.18% · top 93.4% CWE-119 · Memory buffer overflow
8.5CVSS 4.0 base score
0.18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
15 Jul 2026Last modified by NVD

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.

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/google/sentencepiece/releases/tag/v0.2.1 ProductRelease Notes
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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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-1260), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.