Denial of service in Systrome Validation & Certification via the t parameter
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
An issue in Systrome Validation & Certification 1.0 lets an unauthenticated remote attacker cause a denial of service through the t URL parameter in the qrcode_auth.html component. The flaw is improper validation of a specified quantity in input (CWE-1284), and user interaction is required. CISA's SSVC rates exploitation at the proof-of-concept level, and the references include no exploit link.
Written with Claude Haiku 5.5 from the sources below · 2026-11-02
Description from the CNA
An issue in Systrome Validation & Certification 1.0 allows an attacker to cause a denial of service via the t URL parameter in the qrcode_auth.html component
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for Systrome Validation & Certification.
Written with Claude Haiku 5.5 from the sources below · 2026-11-02
Timeline
- 2026-10-22 Threatist record created from CVE-2026-107079
- 2026-10-22 Alias added: GHSA-3qxm-w9c2-96j3
- 2026-10-26 2 new references · CNA
- 2026-11-02 CVSS score added · CISA ADP
- 2026-11-02 Weakness changed · CISA ADP
- 2026-11-02 CISA SSVC decision points changed
- 2026-11-02 Priority changed: LOW → MEDIUM
References
Sources
- CVE-2026-107079 · CVE Program
- CVE-2026-107079 · NVD
- FIRST EPSS
- GHSA-3qxm-w9c2-96j3 · GitHub Advisory Database · CC BY 4.0
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