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TI-2026-13298 Aliases CVE-2026-15810GHSA-rvfx-gr5v-9r95

Cross-Site Scripting (XSS) in Looker allows Admin Account Takeover

Priority MEDIUM 40CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

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+.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00453 39th percentileScored 2026-11-07
Fix Fixed Looker (Google Cloud): 25.6.103, 25.12.65, 25.18.68 +5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GoogleLookerbefore 25.6.103; before 25.12.65; before 25.18.68; before 26.0.66; before 26.2.47; before 26.4.36; before 26.6.28; before 26.8.725.6.103, 25.12.65, 25.18.68, 26.0.66, 26.2.47, 26.4.36, 26.6.28, 26.8.7Patch availableCNA
GoogleLookerbefore 25.6.103; before 25.12.65; before 25.18.68; before 26.0.66; before 26.2.47; before 26.4.36; before 26.6.28; before 26.8.725.6.103, 25.12.65, 25.18.68, 26.0.66, 26.2.47, 26.4.36, 26.6.28, 26.8.7Patch availableCNA
  • Looker VendorGoogle Affected before 25.6.103; before 25.12.65; before 25.18.68; before 26.0.66; before 26.2.47; before 26.4.36; before 26.6.28; before 26.8.7 Fixed in 25.6.103, 25.12.65, 25.18.68, 26.0.66, 26.2.47, 26.4.36, 26.6.28, 26.8.7 Patch available CNA
  • Looker VendorGoogle Affected before 25.6.103; before 25.12.65; before 25.18.68; before 26.0.66; before 26.2.47; before 26.4.36; before 26.6.28; before 26.8.7 Fixed in 25.6.103, 25.12.65, 25.18.68, 26.0.66, 26.2.47, 26.4.36, 26.6.28, 26.8.7 Patch available CNA

Remediation

  • Fix · CNA Looker (Google Cloud) Fixed in 25.6.103, 25.12.65, 25.18.68, 26.0.66, 26.2.47, 26.4.36, 26.6.28, 26.8.7
  • Fix · CNA Looker (Google Cloud) Fixed in 25.6.103, 25.12.65, 25.18.68, 26.0.66, 26.2.47, 26.4.36, 26.6.28, 26.8.7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-15810
  2. 2026-10-03 Alias added: GHSA-rvfx-gr5v-9r95

References

  • TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-07390 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2024-04898 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2024-04600 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2024-04346 Use after free in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2023-05824 Integer overflow in Google Chrome KEVCVSS 3.1CRITICAL 9.6
See all 17247 →

Sources