Cyber Resilience

CVE-2026-3185

Access Control in Szadmin Sz-Boot-Parent ≤ 0.9.0

Public PoCAccess Control
Published
25 February 2026
Modified
26 February 2026
Patch / advisory
CVSS Score v4 5.5
Click a component to see what it means
Raw vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0044 36th percentile
Risk Priority 35 floored blend · peak EPSS

Summary

CVE-2026-3185 is a medium-severity Improper Authorization (CWE-285) vulnerability in Szadmin Sz-Boot-Parent. Its CVSS base score is 5.5 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 36th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

The strongest mitigations our analysis identified map to AC-3 (Access Enforcement) and AC-16 (Security and Privacy Attributes) — see the control section below for these in your framework.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability Data

A vulnerability was found in feiyuchuixue sz-boot-parent up to 1.3.2-beta. Affected is an unknown function of the file /api/admin/sys-message/ of the component API Endpoint. The manipulation of the argument messageId results in authorization bypass. The attack can be launched remotely.…

more

The exploit has been made public and could be used. Upgrading to version 1.3.3-beta is able to address this issue. The patch is identified as aefaabfd7527188bfba3c8c9eee17c316d094802. The affected component should be upgraded. The project was informed beforehand and acted very professional: "We have implemented message ownership verification, so that users can only query messages related to themselves."

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

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 authorization bypass (IDOR) on a remote API endpoint enables exploitation of a public-facing application.

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

CVEs Like This One

CVE-2026-3187Same product: Szadmin Sz-Boot-Parent
CVE-2026-3186Same product: Szadmin Sz-Boot-Parent
CVE-2026-7145Shared CWE-285, CWE-639
CVE-2026-8196Shared CWE-285, CWE-639
CVE-2026-5842Shared CWE-285, CWE-639
CVE-2025-9836Shared CWE-285, CWE-639
CVE-2026-13549Shared CWE-285, CWE-639
CVE-2026-11461Shared CWE-285, CWE-639
CVE-2026-4958Shared CWE-285, CWE-639
CVE-2026-8786Shared CWE-285, CWE-639

Affected Assets

szadmin
sz-boot-parent
1.0.0, 1.0.1, 1.0.2, 1.1.0, 1.2.0 · ≤ 0.9.0

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)
  • AC-3 Access Enforcement
  • AC-6 Least Privilege
  • AC-16 Security and Privacy Attributes
Detect
Catch it (NIST detect / respond)

Harden
Shrink the surface (DISA STIG)
  • 6 hardening rules · 3 OS baselines
Validate
Prove the fix (OWASP ASVS)

Mitigating Controls (NIST 800-53 r5) AI

prevent

Directly enforces authorization policy so that only the message owner can access a given messageId via the API endpoint.

prevent

Limits each user to the minimum set of messages required for their role, reducing the impact of a missing ownership check.

prevent

Requires binding of security attributes (e.g., owner identity) to messages so that access decisions can be made on user-controlled keys.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.AA-05 full match
prevents

Enforcing authorization policy and least privilege directly blocks user-controlled key tampering that bypasses access checks.

PR.IR-01 mostly match
prevents

Logical access controls prevent unauthorized data access that results from missing authorization checks on object references.

PR.PS-06 mostly match
prevents

Secure SDLC practices catch and eliminate most authorization defects before release, yet a single broad outcome cannot address every design, role, and runtime facet of CWE-285.

PR.AA-01 partial match
prevents

PR.AA-01 supplies managed identities and access-request workflows that can support downstream authorization decisions, yet does nothing to enforce or verify authorization checks inside a product, leaving CWE-285 fully unaddressed by this control alone.

PR.PS-05 none match
prevents

PR.PS-05 blocks unauthorized binaries/DNS while CWE-285 is an in-product authorization-check defect, so the control neither prevents the weakness nor removes any of its risk.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

detects

Security testing can detect missing authorization checks but does not prevent the weakness in production.

prevents

Granular, policy-driven assignment of permissions and dynamic enforcement of those permissions prevent the incorrect or missing authorization decisions that lead to improper authorization flaws.

prevents

By requiring documented authorization rules and periodic policy reviews, the control makes it less likely that authorization decisions will be omitted or implemented inconsistently across applications.

prevents

Mapping access rights to information classification and business requirements forces correct enforcement of authorization decisions, blocking the incorrect authorization weakness at the policy and implementation stage.

prevents

Managing access rights includes ensuring users can only access their own records and not bypass authorization by altering identifiers.

detects

Independent reviewers evaluate whether authorization logic matches policy, thereby reducing the window in which incorrect or missing authorization checks remain in production.

References