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TI-2023-20639 Aliases CVE-2023-39507GHSA-96qx-whg9-w5rw

Missing authorization in Recruit Co., Ltd. "Rikunabi NEXT" App for Android

Priority LOW 27CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-862.

Summary

Improper authorization in the custom URL scheme handler in "Rikunabi NEXT" App for Android prior to ver. 11.5.0 allows a malicious intent to lead the vulnerable App to access an arbitrary website.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0037 31st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Recruit Co., Ltd."Rikunabi NEXT" App for Androidprior to ver. 11.5.0—No fix listedCNA
  • "Rikunabi NEXT" App for Android VendorRecruit Co., Ltd. Affected prior to ver. 11.5.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:recruit:rikunabi_next:*:*:*:*:*:android:*:*before 11.5.0VulnerableRecruit Co., Ltd.
  • cpe:2.3:a:recruit:rikunabi_next:*:*:*:*:*:android:*:* Versions before 11.5.0 Vulnerable ·Recruit Co., Ltd.

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-39507
  2. 2026-10-03 Alias added: GHSA-96qx-whg9-w5rw

References

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences