FKIE_CVE-2026-75090

Vulnerability from fkie_nvd - Published: 2026-08-18 02:17 - Updated: 2026-08-18 14:18
Severity
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Summary
A vulnerability was detected in EricLBuehler Mistral.rs up to 0.8.22. Affected by this issue is the function convert_gguf_to_hf_tokenizer of the file mistralrs-core/src/gguf/gguf_tokenizer.rs of the component GGUF Tokenizer. The manipulation of the argument eos_token_id/bos_token_id/unknown_token_id results in out-of-bounds read. The attack can be executed remotely. The exploit is now public and may be used. Upgrading to version 0.8.23 can resolve this issue. The patch is identified as cd5297e2ea5cb27c790bdcf2f3c2f1064a81d55e. Upgrading the affected component is recommended.
References
cna@vuldb.comhttps://github.com/EricLBuehler/mistral.rs/
cna@vuldb.comhttps://github.com/EricLBuehler/mistral.rs/commit/cd5297e2ea5cb27c790bdcf2f3c2f1064a81d55e
cna@vuldb.comhttps://github.com/EricLBuehler/mistral.rs/issues/2225
cna@vuldb.comhttps://github.com/EricLBuehler/mistral.rs/pull/2282
cna@vuldb.comhttps://github.com/EricLBuehler/mistral.rs/releases/tag/v0.8.23
cna@vuldb.comhttps://vuldb.com/cve/CVE-2026-75090
cna@vuldb.comhttps://vuldb.com/submit/877270
cna@vuldb.comhttps://vuldb.com/vuln/391327
cna@vuldb.comhttps://vuldb.com/vuln/391327/cti
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:ericlbuehler:mistral.rs:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "GGUF Tokenizer"
          ],
          "product": "Mistral.rs",
          "vendor": "EricLBuehler",
          "versions": [
            {
              "status": "affected",
              "version": "0.8.0"
            },
            {
              "status": "affected",
              "version": "0.8.1"
            },
            {
              "status": "affected",
              "version": "0.8.2"
            },
            {
              "status": "affected",
              "version": "0.8.3"
            },
            {
              "status": "affected",
              "version": "0.8.4"
            },
            {
              "status": "affected",
              "version": "0.8.5"
            },
            {
              "status": "affected",
              "version": "0.8.6"
            },
            {
              "status": "affected",
              "version": "0.8.7"
            },
            {
              "status": "affected",
              "version": "0.8.8"
            },
            {
              "status": "affected",
              "version": "0.8.9"
            },
            {
              "status": "affected",
              "version": "0.8.10"
            },
            {
              "status": "affected",
              "version": "0.8.11"
            },
            {
              "status": "affected",
              "version": "0.8.12"
            },
            {
              "status": "affected",
              "version": "0.8.13"
            },
            {
              "status": "affected",
              "version": "0.8.14"
            },
            {
              "status": "affected",
              "version": "0.8.15"
            },
            {
              "status": "affected",
              "version": "0.8.16"
            },
            {
              "status": "affected",
              "version": "0.8.17"
            },
            {
              "status": "affected",
              "version": "0.8.18"
            },
            {
              "status": "affected",
              "version": "0.8.19"
            },
            {
              "status": "affected",
              "version": "0.8.20"
            },
            {
              "status": "affected",
              "version": "0.8.21"
            },
            {
              "status": "affected",
              "version": "0.8.22"
            },
            {
              "status": "unaffected",
              "version": "0.8.23"
            }
          ]
        }
      ],
      "source": "cna@vuldb.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability was detected in EricLBuehler Mistral.rs up to 0.8.22. Affected by this issue is the function convert_gguf_to_hf_tokenizer of the file mistralrs-core/src/gguf/gguf_tokenizer.rs of the component GGUF Tokenizer. The manipulation of the argument eos_token_id/bos_token_id/unknown_token_id results in out-of-bounds read. The attack can be executed remotely. The exploit is now public and may be used. Upgrading to version 0.8.23 can resolve this issue. The patch is identified as cd5297e2ea5cb27c790bdcf2f3c2f1064a81d55e. Upgrading the affected component is recommended."
    }
  ],
  "id": "CVE-2026-75090",
  "lastModified": "2026-08-18T14:18:09.907",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "cna@vuldb.com",
        "type": "Secondary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 2.1,
          "baseSeverity": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "PASSIVE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "LOW",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-75090",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-18T13:30:44.977963Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-18T02:17:30.333",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/EricLBuehler/mistral.rs/"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/EricLBuehler/mistral.rs/commit/cd5297e2ea5cb27c790bdcf2f3c2f1064a81d55e"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/EricLBuehler/mistral.rs/issues/2225"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/EricLBuehler/mistral.rs/pull/2282"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/EricLBuehler/mistral.rs/releases/tag/v0.8.23"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/cve/CVE-2026-75090"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/877270"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/391327"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/391327/cti"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        },
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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