FKIE_CVE-2026-3136

Vulnerability from fkie_nvd - Published: 2026-03-03 17:16 - Updated: 2026-03-05 21:44
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
An improper authorization vulnerability in GitHub Trigger Comment Control in Google Cloud Build prior to 2026-1-26 allows a remote attacker to execute arbitrary code in the build environment. This vulnerability was patched on 26 January 2026, and no customer action is needed.
References
f45cbf4e-4146-4068-b7e1-655ffc2c548chttps://docs.cloud.google.com/build/docs/release-notes#March_03_2026Release Notes
Impacted products
Vendor Product Version
google cloud_build *
To clipboard 

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              "criteria": "cpe:2.3:a:google:cloud_build:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "79BCC7BB-7D52-40A1-A604-969908D01860",
              "versionEndExcluding": "2026-1-26",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An improper authorization\u00a0vulnerability in GitHub Trigger Comment Control\u00a0in Google\u00a0Cloud Build\u00a0prior to 2026-1-26\u00a0allows a remote attacker\u00a0to execute arbitrary code in the build environment.\n\nThis vulnerability was patched on 26 January 2026, and no customer action is needed."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de autorizaci\u00f3n impropia en GitHub Trigger Comment Control en Google Cloud Build anterior al 26-1-2026 permite a un atacante remoto ejecutar c\u00f3digo arbitrario en el entorno de compilaci\u00f3n.\n\nEsta vulnerabilidad fue parcheada el 26 de enero de 2026, y no se requiere ninguna acci\u00f3n por parte del cliente."
    }
  ],
  "id": "CVE-2026-3136",
  "lastModified": "2026-03-05T21:44:42.407",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
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        "source": "nvd@nist.gov",
        "type": "Primary"
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          "Recovery": "NOT_DEFINED",
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          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "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": "CLEAR",
          "subAvailabilityImpact": "LOW",
          "subConfidentialityImpact": "LOW",
          "subIntegrityImpact": "LOW",
          "userInteraction": "ACTIVE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/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:Clear",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
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  "published": "2026-03-03T17:16:19.160",
  "references": [
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      "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
      "tags": [
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      ],
      "url": "https://docs.cloud.google.com/build/docs/release-notes#March_03_2026"
    }
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  "sourceIdentifier": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
  "vulnStatus": "Analyzed",
  "weaknesses": [
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          "value": "CWE-863"
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}


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Sightings

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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.
  • 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.