Cyber Resilience

CVE-2026-31070

Critical

Published: 19 May 2026

Published
19 May 2026
Modified
20 May 2026
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0048 37.7th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-31070 is a critical-severity Improper Privilege Management (CWE-269) vulnerability. Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 37.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

The LalanaChami Pharmacy Management System (commit 5c3d028) allows unauthenticated remote attackers to escalate privileges by self-assigning an administrative role during registration. The /api/user/signup endpoint fails to validate the role parameter in the request body

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Why these techniques?

Direct unauthenticated privilege escalation via flawed role assignment in public API endpoint enables exploitation of public-facing app and priv esc.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2024-12281Shared CWE-269
CVE-2025-15403Shared CWE-269
CVE-2025-13538Shared CWE-269
CVE-2024-57602Shared CWE-269
CVE-2026-2631Shared CWE-269
CVE-2025-13542Shared CWE-269
CVE-2025-13563Shared CWE-269
CVE-2025-15027Shared CWE-269
CVE-2025-22937Shared CWE-269
CVE-2025-0180Shared CWE-269

Affected Assets

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-269

Policy addresses roles, responsibilities, and privilege management to prevent improper privilege assignments.

addresses: CWE-269

Access supervision ensures privileges are assigned and managed without improper escalation or retention.

addresses: CWE-269

Assigning group/role memberships and access authorizations (privileges) while reviewing accounts addresses improper privilege management.

addresses: CWE-269

Enforces proper privilege management by requiring all decisions through the verified reference monitor.

addresses: CWE-269

By mandating division of duties across roles, the control enforces proper privilege management and prevents a single entity from controlling an entire sensitive process.

addresses: CWE-269

Implements core proper privilege management by restricting to only required rights.

addresses: CWE-269

Policy requires training on privilege management and least privilege, making it harder to exploit improper privilege management weaknesses.

addresses: CWE-269

Training covers proper privilege management practices, making incorrect privilege assignments less likely.

References