CVE-2025-26436: android Auth Bypass — Fix

Description

In clearAllowBgActivityStarts of PendingIntentRecord.java, there is a possible way for an application to launch an activity from the background due to BAL Bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

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CVSS v3.1 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-863 Incorrect Authorization

Affected Products

Vendor	Product	Versions
google	android	All
google	android	All
google	android	All

References

Advisories & Patches

https://android.googlesource.com/platform/frameworks/base/+/bba26504af51d2dd3b8eddeb96e59cac8fcb9070 https://android.googlesource.com/platform/frameworks/base/+/ccba6717779fea0a86b6326f9925c36fc837738c https://source.android.com/security/bulletin/2025-05-01

Frequently Asked Questions

What is CVE-2025-26436? +

In clearAllowBgActivityStarts of PendingIntentRecord.java, there is a possible way for an application to launch an activity from the background due to BAL Bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2025-26436? +

CVE-2025-26436 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-26436? +

CVE-2025-26436 affects products from google, specifically: android. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-26436? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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