Vulnerability · Published May 13, 2026 · Assigned by jpcert
CVE-2026-41281
Medium 4.8
In plain English
A medium-severity security flaw in あんしんフィルター for au from KDDI CORPORATION. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).
Severity (CVSS 3.0)4.8Medium
Exploit odds (30 days)<0.1%top 99.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| KDDI CORPORATION | あんしんフィルター for au | prior to 4.9_b0003 |
Weakness: CWE-319 · Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N