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Mallory
Medium

Android Framework missing permission check information disclosure

IdentifiersCVE-2025-48591CWE-862· Missing Authorization

CVE-2025-48591 is an Android Framework vulnerability in which multiple code locations fail to enforce a required permission check, creating a path for one user to read files belonging to another user. The issue is described as a local information-disclosure flaw caused by a missing authorization check. Exploitation does not require user interaction and does not require additional execution privileges beyond local code execution in the affected context.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows unauthorized reading of files associated with another user, resulting in local information disclosure and a breach of Android’s user/data isolation boundaries. The primary impact is exposure of sensitive data stored in files that should not be accessible to the attacking user or app context.

Mitigation

If you can’t patch tonight, do this now.

If patching cannot be performed immediately, reduce exposure by limiting installation and execution of untrusted local applications, enforcing rapid deployment of Android security updates, and restricting use of devices that are behind the December 2025 patch level for sensitive workloads. Because exploitation is local and requires no user interaction, mitigation is limited without the vendor patch.

Remediation

Patch, then assume compromise.

Apply the Android security updates that include the fix for CVE-2025-48591. The provided context indicates this issue is addressed in Google’s December 2025 Android Security Bulletin; devices updated to the 2025-12-05 security patch level are described as fully remediated for issues in that bulletin. OEM and vendor-supplied updates should also be applied where applicable.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
GoogleAndroidoperating_system

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity3

Community discussion across Reddit, Mastodon, and other social sources.