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    2 vulnerabilities by romkatv

    CVE-2026-75483 (GCVE-0-2026-75483)

    Vulnerability from nvd – Published: 2026-08-17 20:36 – Updated: 2026-08-18 00:44
    VLAI
    Title
    powerlevel10k Control Character Injection via package.json Version
    Summary
    powerlevel10k fails to neutralize control characters in the package.json version field when rendering the package prompt segment. Attackers can inject raw escape bytes in the version string to emit arbitrary terminal control sequences on each prompt render when the shell enters affected directories.
    Severity
    4.8 (Medium)
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
    3.3 (Low)
    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
    CWE
    • CWE-150 - Improper Neutralization of Escape, Meta, or Control Sequences
    Assigner
    References
    Impacted products
    Vendor Product Version
    romkatv powerlevel10k Affected: 0 , ≤ 1.20.0 (custom)
    		Create a notification for this product.
    Date Public
    2026-08-07 00:00
    Credits
    George Chen
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "powerlevel10k",
          "repo": "https://github.com/romkatv/powerlevel10k",
          "vendor": "romkatv",
          "versions": [
            {
              "lessThanOrEqual": "1.20.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "George Chen"
        }
      ],
      "datePublic": "2026-08-07T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "powerlevel10k fails to neutralize control characters in the package.json version field when rendering the package prompt segment. Attackers can inject raw escape bytes in the version string to emit arbitrary terminal control sequences on each prompt render when the shell enters affected directories."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-150",
              "description": "Improper Neutralization of Escape, Meta, or Control Sequences",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-18T00:44:22.288Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "GitHub Issue #2961",
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/romkatv/powerlevel10k/issues/2961"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/romkatv/powerlevel10k"
        },
        {
          "name": "bug fix: slap (V) on the content of `package` (#2961)",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/romkatv/powerlevel10k/commit/58e13d16a50e1d6908e39e20a670896808ccf350"
        },
        {
          "name": "prompt_package in internal/p10k.zsh",
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/romkatv/powerlevel10k/blob/master/internal/p10k.zsh"
        },
        {
          "name": "VulnCheck Advisory: powerlevel10k Control Character Injection via package.json Version",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/powerlevel10k-control-character-injection-via-package-json-version"
        }
      ],
      "title": "powerlevel10k Control Character Injection via package.json Version",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-75483",
    "datePublished": "2026-08-17T20:36:08.150Z",
    "dateReserved": "2026-08-17T19:59:23.461Z",
    "dateUpdated": "2026-08-18T00:44:22.288Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

    CVE-2026-75483 (GCVE-0-2026-75483)

    Vulnerability from cvelistv5 – Published: 2026-08-17 20:36 – Updated: 2026-08-18 00:44
    VLAI
    Title
    powerlevel10k Control Character Injection via package.json Version
    Summary
    powerlevel10k fails to neutralize control characters in the package.json version field when rendering the package prompt segment. Attackers can inject raw escape bytes in the version string to emit arbitrary terminal control sequences on each prompt render when the shell enters affected directories.
    Severity
    4.8 (Medium)
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
    3.3 (Low)
    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
    CWE
    • CWE-150 - Improper Neutralization of Escape, Meta, or Control Sequences
    Assigner
    References
    Impacted products
    Vendor Product Version
    romkatv powerlevel10k Affected: 0 , ≤ 1.20.0 (custom)
    		Create a notification for this product.
    Date Public
    2026-08-07 00:00
    Credits
    George Chen
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "powerlevel10k",
          "repo": "https://github.com/romkatv/powerlevel10k",
          "vendor": "romkatv",
          "versions": [
            {
              "lessThanOrEqual": "1.20.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "George Chen"
        }
      ],
      "datePublic": "2026-08-07T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "powerlevel10k fails to neutralize control characters in the package.json version field when rendering the package prompt segment. Attackers can inject raw escape bytes in the version string to emit arbitrary terminal control sequences on each prompt render when the shell enters affected directories."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-150",
              "description": "Improper Neutralization of Escape, Meta, or Control Sequences",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-18T00:44:22.288Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "GitHub Issue #2961",
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/romkatv/powerlevel10k/issues/2961"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/romkatv/powerlevel10k"
        },
        {
          "name": "bug fix: slap (V) on the content of `package` (#2961)",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/romkatv/powerlevel10k/commit/58e13d16a50e1d6908e39e20a670896808ccf350"
        },
        {
          "name": "prompt_package in internal/p10k.zsh",
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/romkatv/powerlevel10k/blob/master/internal/p10k.zsh"
        },
        {
          "name": "VulnCheck Advisory: powerlevel10k Control Character Injection via package.json Version",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/powerlevel10k-control-character-injection-via-package-json-version"
        }
      ],
      "title": "powerlevel10k Control Character Injection via package.json Version",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-75483",
    "datePublished": "2026-08-17T20:36:08.150Z",
    "dateReserved": "2026-08-17T19:59:23.461Z",
    "dateUpdated": "2026-08-18T00:44:22.288Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}