Sentry Seer vulnerability allows attacker-controlled input to be executed in a privileged environment
Priority MEDIUM 50CWE-116Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-94.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0067 52nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Functional Software, Inc. | Sentry Seer | Web site | — | No fix listed | CNA |
- Sentry Seer VendorFunctional Software, Inc. Affected Web site Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-90999
- 2026-10-03 Alias added: GHSA-vh55-q5m4-8wr6
References
Sources
- CVE-2026-90999 · CVE Program
- CVE-2026-90999 · NVD
- FIRST EPSS
- GHSA-vh55-q5m4-8wr6 · GitHub Advisory Database · CC BY 4.0
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