A Google Cloud service leak of Compute Engine default service account tokens can enable broad project compromise across organizations using GCP; affects widely used cloud infrastructure.
CVE-2026-19486
SSRF in Google Cloud Gemini leaks Compute Engine default service account token.
Is CVE-2026-19486 being exploited?
Not confirmed. CVE-2026-19486 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.25% probability of exploitation in the next 30 days.
How severe is CVE-2026-19486?
CVE-2026-19486 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-19486?
Yes. A fix has been recorded for CVE-2026-19486. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-19486 affect?
CVE-2026-19486 affects Google Cloud Gemini Enterprise Agent Platform (App Builder) <2026-06-01, Deployed Gemini Enterprise Agent apps, Google Cloud Platform (Compute Engine default service accounts). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-19486?
Apply 2026-06-01 patch, redeploy apps, rotate/ revoke affected service-account credentials.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated SSRF can leak a Compute Engine default service account token, letting attackers act as that service account to access, modify, or exfiltrate GCP resources.
Immediate action required
- affected>= 2025-10-11 and < 2026-06-01
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.