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.
CVE-2026-1260
This high-severity CVE scores 7.8 under NVD CVSS v3. EPSS exploit probability: 0.0%, top 100% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.8
- EG Score
- 7.8(medium)
- EPSS
- 5.9%
- KEV
- Not listed
Published
January 22, 2026
Last Modified
July 15, 2026
Advisory Details (6)
Auto-updated Jul 1, 20262432079 – (CVE-2026-1260) CVE-2026-1260 sentencepiece: Sentencepiece: Invalid memory access leading to potential arbitrary code execution via a crafted model file.
https://bugzilla.redhat.com/show_bug.cgi?id=2432079v0.2.1
Patch available: google/sentencepiece v0.2.1
https://github.com/google/sentencepiece/releases/tag/v0.2.1Vendor Advisories for CVE-2026-1260(2)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(2)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | rhoai/odh-training-rocm62-torch25-py311-rhel9:1772093324 | 2026-03-04 | redhat |
| redhat | rhoai/odh-openvino-model-server-rhel9:1771608633 | 2026-03-04 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| sentencepiece | 0.0.0 ... 0.2.0 (32 versions) | 0.2.1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 9× in last 7d / 37× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-22 14:08 UTCEPSS rescore
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- 2026-07-13 17:37 UTCOSV refresh
- 2026-07-13 06:12 UTCEPSS rescore
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- 2026-07-01 15:06 UTCEPSS rescore
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- 2026-06-25 14:46 UTCOSV refresh
- 2026-06-25 13:49 UTCEPSS rescore
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- 2026-06-11 14:00 UTCEPSS rescore
- 2026-06-10 13:22 UTCEPSS rescore
- 2026-06-08 05:12 UTCVendor advisory
- 2026-06-07 15:25 UTCEPSS rescore
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- 2026-06-06 13:47 UTCEPSS rescore
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- 2026-05-31 00:16 UTCEPSS rescore
- 2026-05-29 15:24 UTCEG score recompute
- 2026-05-29 15:24 UTCVendor advisory
- 2026-05-29 13:44 UTCEPSS rescore
- 2026-05-29 13:44 UTCEPSS rescore
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Frequently asked(5)
What is CVE-2026-1260?
When was CVE-2026-1260 disclosed?
Is CVE-2026-1260 actively exploited?
What is the CVSS score of CVE-2026-1260?
How do I remediate CVE-2026-1260?
Dependency Blast Radius
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