Google Android 14/15/16/16-qpr2 PackageInstallerService.java createSessionInternal path traversal

CVSS Meta Temp Score
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CTI Interest Score
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7.8$25k-$100k0.00

Summaryinfo

A vulnerability classified as critical has been found in Google Android 14/15/16/16-qpr2. This impacts the function createSessionInternal of the file PackageInstallerService.java. This manipulation causes path traversal. The identification of this vulnerability is CVE-2026-0055. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in Google Android 14/15/16/16-qpr2. Affected by this vulnerability is the function createSessionInternal of the file PackageInstallerService.java. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In createSessionInternal of PackageInstallerService.java, there is a possible to update a Device Policy Controller (DPC) into an invalid directory due to a path traversal error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

The advisory is shared at source.android.com. This vulnerability is known as CVE-2026-0055 since 10/15/2025. The exploitation appears to be easy. An attack has to be approached locally. Technical details are known, but no exploit is available. The price for an exploit might be around USD $25k-$100k at the moment (estimation calculated on 06/03/2026). MITRE ATT&CK project uses the attack technique T1006 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-1772). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Google Android

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/15/2025 CVE reserved
06/02/2026 +230 days Advisory disclosed
06/02/2026 +0 days VulDB entry created
06/03/2026 +1 days VulDB entry last update

Sourcesinfo

Vendor: google.com

Advisory: source.android.com
Status: Confirmed

CVE: CVE-2026-0055 (🔒)
GCVE (CVE): GCVE-0-2026-0055
GCVE (VulDB): GCVE-100-367849
CERT Bund: WID-SEC-2026-1772 - Google Android: Mehrere Schwachstellen

scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 06/02/2026 08:25
Updated: 06/03/2026 06:05
Changes: 06/02/2026 08:25 (56), 06/03/2026 06:05 (6)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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