CVE-2026-1260
CVE-2026-1260 is a high-severity vulnerability in Google Sentencepiece with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v4: 8.5
- EPSS exploit prediction: 0% (6th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-3802
- Weakness: CWE-119
- Affected product: Google Sentencepiece
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-1260?
- 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.
- How severe is CVE-2026-1260?
- CVE-2026-1260 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-1260 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-1260?
- CVE-2026-1260 affects Google Sentencepiece. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-1260?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-1260 have an EU (EUVD) identifier?
- Yes. CVE-2026-1260 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3802.
- When was CVE-2026-1260 published?
- CVE-2026-1260 was published on 2026-01-22 and last updated on 2026-06-30.
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
Affected products (1)
- cpe:2.3:a:google:sentencepiece:*:*:*:*:*:*:*:*
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