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CVE-2026-15810 (GCVE-0-2026-15810)

Vulnerability from cvelistv5 – Published: 2026-07-24 11:04 – Updated: 2026-07-24 12:35
VLAI
Title
Cross-Site Scripting (XSS) in Looker allows Admin Account Takeover
Summary
A Cross-Site Scripting (XSS) vulnerability in Google Cloud Looker versions prior to 25.6.103, 25.12.65, 25.18.68, 26.0.66, 26.2.47, 26.4.36, 26.6.28, and 26.8.7 on Looker-hosted and Self-hosted allows an attacker to execute arbitrary JavaScript leading to administrative account takeover using a maliciously crafted URL. Looker-hosted and Self-hosted were found to be vulnerable. This issue has already been mitigated for Looker-hosted instances. No user action is required for these. Self-hosted instances must be upgraded to the patched versions: 25.6.103+, 25.12.65+, 25.18.68+, 26.0.66+, 26.2.47+, 26.4.36+, 26.6.28+, or 26.8.7+.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-24 12:34 UTC
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Impacted products
Vendor Product Version CPE status
Google Cloud Looker Affected: 0 , < 25.6.103 (custom)
Affected: 0 , < 25.12.65 (custom)
Affected: 0 , < 25.18.68 (custom)
Affected: 0 , < 26.0.66 (custom)
Affected: 0 , < 26.2.47 (custom)
Affected: 0 , < 26.4.36 (custom)
Affected: 0 , < 26.6.28 (custom)
Affected: 0 , < 26.8.7 (custom)
guessed Create a notification for this product.
Show details on NVD website

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                  "value": "A Cross-Site Scripting (XSS) vulnerability in Google Cloud Looker versions prior to 25.6.103, 25.12.65, 25.18.68, 26.0.66, 26.2.47, 26.4.36, 26.6.28, and 26.8.7 on Looker-hosted and Self-hosted allows an attacker to execute arbitrary JavaScript leading to administrative account takeover using a maliciously crafted URL.\u003cdiv\u003e\u003cbr\u003e\u003c/div\u003e\u003cdiv\u003eLooker-hosted and Self-hosted were found to be vulnerable.\u003cbr\u003eThis issue has already been mitigated for Looker-hosted instances. No user action is required for these.\u003cdiv\u003e\u003cbr\u003e\u003c/div\u003e\u003cdiv\u003eSelf-hosted instances must be upgraded to the patched versions: 25.6.103+, 25.12.65+, 25.18.68+, 26.0.66+, 26.2.47+, 26.4.36+, 26.6.28+, or 26.8.7+.\u003c/div\u003e\u003c/div\u003e"
                }
              ],
              "value": "A Cross-Site Scripting (XSS) vulnerability in Google Cloud Looker versions prior to 25.6.103, 25.12.65, 25.18.68, 26.0.66, 26.2.47, 26.4.36, 26.6.28, and 26.8.7 on Looker-hosted and Self-hosted allows an attacker to execute arbitrary JavaScript leading to administrative account takeover using a maliciously crafted URL.\n\n\nLooker-hosted and Self-hosted were found to be vulnerable.\nThis issue has already been mitigated for Looker-hosted instances. No user action is required for these.\n\n\nSelf-hosted instances must be upgraded to the patched versions: 25.6.103+, 25.12.65+, 25.18.68+, 26.0.66+, 26.2.47+, 26.4.36+, 26.6.28+, or 26.8.7+."
            }
          ],
          "impacts": [
            {
              "capecId": "CAPEC-63",
              "descriptions": [
                {
                  "lang": "en",
                  "value": "CAPEC-63 Cross-Site Scripting (XSS)"
                }
              ]
            }
          ],
          "metrics": [
            {
              "cvssV4_0": {
                "Automatable": "NOT_DEFINED",
                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "NONE",
                "attackVector": "NETWORK",
                "baseScore": 8.7,
                "baseSeverity": "HIGH",
                "exploitMaturity": "NOT_DEFINED",
                "privilegesRequired": "NONE",
                "providerUrgency": "AMBER",
                "subAvailabilityImpact": "LOW",
                "subConfidentialityImpact": "LOW",
                "subIntegrityImpact": "LOW",
                "userInteraction": "PASSIVE",
                "valueDensity": "NOT_DEFINED",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/U:Amber",
                "version": "4.0",
                "vulnAvailabilityImpact": "HIGH",
                "vulnConfidentialityImpact": "HIGH",
                "vulnIntegrityImpact": "HIGH",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-79",
                  "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or \u0027Cross-site Scripting\u0027)",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-07-24T11:04:59.022Z",
            "orgId": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
            "shortName": "GoogleCloud"
          },
          "references": [
            {
              "url": "https://docs.cloud.google.com/support/bulletins#gcp-2026-049"
            },
            {
              "url": "https://docs.cloud.google.com/looker/docs/release-notes#July_22_2026"
            }
          ],
          "solutions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "This vulnerability has been mitigated for Looker-hosted instances, and no user action is required.\u003cbr\u003e\u003cbr\u003eFor Self-hosted Looker instances, customers should upgrade to one of the patched versions or later: 25.6.103+, 25.12.65+, 25.18.68+, 26.0.66+, 26.2.47+, 26.4.36+, 26.6.28+, or 26.8.7+."
                }
              ],
              "value": "This vulnerability has been mitigated for Looker-hosted instances, and no user action is required.\n\nFor Self-hosted Looker instances, customers should upgrade to one of the patched versions or later: 25.6.103+, 25.12.65+, 25.18.68+, 26.0.66+, 26.2.47+, 26.4.36+, 26.6.28+, or 26.8.7+."
            }
          ],
          "source": {
            "discovery": "EXTERNAL"
          },
          "title": "Cross-Site Scripting (XSS) in Looker allows Admin Account Takeover",
          "x_generator": {
            "engine": "Vulnogram 1.0.2"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
        "assignerShortName": "GoogleCloud",
        "cveId": "CVE-2026-15810",
        "datePublished": "2026-07-24T11:04:59.022Z",
        "dateReserved": "2026-07-15T10:03:09.218Z",
        "dateUpdated": "2026-07-24T12:35:11.062Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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.

Sightings

Author Source Type Date Other

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.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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