CVE-2026-4810
Unauthenticated RCE in Google ADK via code injection.
Is CVE-2026-4810 being exploited?
Not confirmed. CVE-2026-4810 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 1.8% probability of exploitation in the next 30 days.
How severe is CVE-2026-4810?
CVE-2026-4810 is rated Critical with a CVSS score of 9.3. 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-2026-4810?
Yes. A fix has been recorded for CVE-2026-4810. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-4810 affect?
CVE-2026-4810 affects Google Agent Development Kit (ADK) Python OSS, versions 1.7.0–1.28.1 and 2.0.0a1–2.0.0a2, Google Cloud Run, Google Kubernetes Engine (GKE). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-4810?
Upgrade to 1.28.1 or 2.0.0a2 and redeploy ADK
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote code execution on ADK host; attacker can run arbitrary code.
Immediate action required
- affected>= 1.7.0 and < 1.28.1
- affected>= 2.0.0a1 and < 2.0.0a2
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.