CVE-2026-90999
Sentry Seer is vulnerable to a multi-stage trust-boundary violation that allows unauthenticated attacker-controlled telemetry to become code that is executed by an agent in a privileged automation environment. An external attacker can submit fabricated Sentry events without having access to the victim’s Sentry account, source repository, or infrastructure.
- Published Sep 16, 2026
- CVSS 9.8 critical
- 0.7% chance of exploitation in the next 30 days (EPSS)