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CVE-2026-25811

PlaciPy Email Domain Trust Enables Cross-Tenant Data Access (Multi-Tenant Isolation Failure)

Published: Feb 9, 2026Updated: Feb 18, 2026 Sources: CVE List NVDCWE-863
NVD MITRE
9.1CVSSCRITICAL
EPSS Score
0.3%
Top 81.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Workaround Only

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-863

Affected Products

placipyprasklatechnology
assessment-placipyPraskla-Technology

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Workaround Available

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

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

Timeline

Published
Feb 9, 2026
Last Updated
Feb 18, 2026

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