Paper/Archive/CVE-2026-25811

CVE-2026-25811

Praskla-Technology assessment-placipy — PlaciPy Email Domain Trust Enables Cross-Tenant Data Access (Multi-Tenant Isolation Failure)

EPSS 0.3%CVSS 9.1

critical.is priorityof 100

CVSS 9.1 (NVD)9.1 / 10 × 3027.3 Not in CISA KEV+300.0 EPSS percentile 24.1.241 × 204.8 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

PlaciPy is a placement management system designed for educational institutions. In version 1.0.0, the application derives the tenant identifier directly from the email domain provided by the user, without validating domain ownership or registration. This allows cross-tenant data access.

Affected

ProductAffectedFixed inSource

assessment-placipy= 1.0.0–CNA

Scores by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

GitHub_M (CNA)5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: partial

References

refgithub.com/Praskla-Technology/assessment-placipy/security/advisories/GHSA-3gmm-9ww2-87fh