CVE-2026-90999
Sentry Seer vulnerability allows attacker-controlled input to be executed in a privileged environment
- State
- Published
- Severity
- 9.8 Critical
- Published
- Sep 16, 2026
- Updated
- Sep 18, 2026
- Reserved
- Sep 14, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-20 Improper Input Validation
- CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
- CWE-116 Improper Encoding or Escaping of Output
- CWE-94 Improper Control of Generation of Code ('Code Injection')
- CWE-913 Improper Control of Dynamically-Managed Code Resources
Affected Products
| Product | Versions |
|---|---|
Sentry SeerFunctional Software, Inc. |
|
References
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