CVE-2026-116081
Received
Received - Intake
Improper Certificate Verification in Sleipnir Mobile for iOS
Vulnerability report for CVE-2026-116081, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-11-11
Last updated on: 2026-11-11
Assigner: JPCERT/CC
Description
Description
Sleipnir Mobile for iPhone / iPad and Sleipnir Mobile for iPhone / iPad Black Edition provided by Fenrir Inc. are vulnerable to improper certificate verification. A man-in-the-middle attack may allow an attacker to eavesdrop on an encrypted communication.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| fenrir_inc | sleipnir_mobile | 5.0 |
| fenrir_inc | sleipnir_mobile_black_edition | 4.16 |
| fenrir_inc | sleipnir_mobile | to 4.15.1 (exc) |
| fenrir_inc | sleipnir_mobile_black_edition | to 4.15.1 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-295 | The product does not validate, or incorrectly validates, a certificate. |
