CVE-2025-27606: Element Android PIN autologout bypass

Severity: medium (CVSS 4.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-03-14 · updated 2026-06-17
Weakness: CWE-488

Description

Element Android is an Android Matrix Client provided by Element. Element Android up to version 1.6.32 can, under certain circumstances, fail to logout the user if they input the wrong PIN more than the configured amount of times. An attacker with physical access to a device can exploit this to guess the PIN. Version 1.6.34 solves the issue.

Affected products

element-hq element-android: before 1.6.34 — fixed in 1.6.34

How to fix

Upgrade to a fixed version: element-hq element-android 1.6.34. Check the vendor advisory for mitigations.

References

https://github.com/element-hq/element-android/commit/53bd78b05de375c6e6b0b5aa794a56b4ba95984c
https://github.com/element-hq/element-android/commit/87d7fcdc8036a4db4da8c403f87c73a64a546304
https://github.com/element-hq/element-android/security/advisories/GHSA-632v-9pm3-m8ch

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