Critical severity · published Feb 9, 2026
CVE-2026-25811
PlaciPy Email Domain Trust Enables Cross-Tenant Data Access (Multi-Tenant Isolation Failure)
9.1
CVSS
0.3%
EPSS
No
On KEV
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
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
assessment-placipy · Praskla-Technology
= 1.0.0 · source: vendor
PL
Placipy · Prasklatechnology
1.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-25811
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-25811
Mitigation
https://github.com/Praskla-Technology/assessment-placipy/security/advisories/GHSA-3gmm-9ww2-87fh
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