CVE-2021-26688 Weak cryptography in n/a

What is CVE-2021-26688?

CVE-2021-26688 is a critical vulnerability in Google Android, published on 4 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered on LG Wing mobile devices with Android OS 10 software. The biometric sensor has weak security properties. The LG ID is LVE-SMP-200030 (February 2021).

Which versions are affected by CVE-2021-26688?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-26688?

No fix has been published for CVE-2021-26688 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-26688 being exploited?

There is no known exploitation of CVE-2021-26688 in the wild and no public exploit code.

Other vulnerabilities in Google Android

• CVE-2026-58704 Google Pixel Improper Authorization Exploited High 8.8
• CVE-2025-48543 Android Runtime Use-After-Free Exploited High 8.8
• CVE-2023-35674 Android Framework Privilege Escalation Exploited High 8.8
• CVE-2025-48595 Android Framework Integer Overflow Exploited High 8.4
• CVE-2024-32896 Android Pixel Privilege Escalation Exploited High 8.1

All Google Android vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-gh2p-5gr5-j5g9.