CVE-2026-41281 PUBLISHED

Assigner: jpcert
Reserved: 20.04.2026 Published: 13.05.2026 Updated: 13.05.2026

Android App "あんしんフィルター for au" provided by KDDI CORPORATION contains Cleartext Transmission of Sensitive Information (CWE-319) vulnerability. A man-in-the-middle attacker may access and modify communications transmitted in plaintext, potentially resulting in information disclosure or data tampering.

CVSS Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS Score: 4.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS Score: 6.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	KDDI CORPORATION
Product	あんしんフィルター for au
Versions	Version prior to 4.9_b0003 is affected

References

https://jvn.jp/en/jp/JVN24167657/

CVE-2026-41281 PUBLISHED

Metrics

Product Status

References

Problem Types