Vulnerability-Lookup

GHSA-38VQ-G6VR-W8WF

Vulnerability from github – Published: 2026-01-22 18:30 – Updated: 2026-01-22 20:28

Summary

Sentencepiece has a a heap overflow issue

Details

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.

Severity ?

8.5 (High)


                  
                    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

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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "sentencepiece"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-1260"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-01-22T20:28:39Z",
    "nvd_published_at": "2026-01-22T17:16:30Z",
    "severity": "HIGH"
  },
  "details": "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.",
  "id": "GHSA-38vq-g6vr-w8wf",
  "modified": "2026-01-22T20:28:39Z",
  "published": "2026-01-22T18:30:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-1260"
    },
    {
      "type": "WEB",
      "url": "https://github.com/google/sentencepiece/commit/d856b67fdb3492e035489abf9b3aaf486144b2c0"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/google/sentencepiece"
    },
    {
      "type": "WEB",
      "url": "https://github.com/google/sentencepiece/releases/tag/v0.2.1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Sentencepiece has a a heap overflow issue"
}

CVE-2026-1260 (GCVE-0-2026-1260)

Vulnerability from cvelistv5 – Published: 2026-01-22 17:06 – Updated: 2026-01-22 18:22

Title

Invalid Memory Access in Sentencepiece,

Summary

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.

Severity ?

8.5 (High)


                        
                          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

CWE

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Assigner

Google

References

URL

Tags

https://github.com/google/sentencepiece/releases/…

Impacted products

	Vendor	Product	Version
	Google	Sentencepiece	Affected: All versions prior to 0.2.1

Show details on NVD website

JSON

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    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-1260",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-22T18:22:00.974435Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-22T18:22:36.273Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Sentencepiece",
          "vendor": "Google",
          "versions": [
            {
              "status": "affected",
              "version": "All versions prior to 0.2.1"
            }
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        }
      ],
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            }
          ],
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        }
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      "impacts": [
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            {
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      ],
      "metrics": [
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            "Recovery": "NOT_DEFINED",
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            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 8.5,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
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            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
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      },
      "references": [
        {
          "url": "https://github.com/google/sentencepiece/releases/tag/v0.2.1"
        }
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      },
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    "dateReserved": "2026-01-20T20:25:05.556Z",
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-38VQ-G6VR-W8WF

CVE-2026-1260 (GCVE-0-2026-1260)

Tags

Sightings

Nomenclature