Google Compute Engine prior 2026-08-31 Snapshot Creation disks.createSnapshot/regionDisks.createSnapshot improper authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k1.61

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Google Compute Engine. Affected is the function disks.createSnapshot/regionDisks.createSnapshot of the component Snapshot Creation. The manipulation leads to improper authorization. This vulnerability is referenced as CVE-2026-85299. Remote exploitation of the attack is possible. No exploit is available. This product is a managed service. This means that users cannot maintain vulnerability countermeasures themselves. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Compute Engine. It has been rated as problematic. This issue affects the function disks.createSnapshot/regionDisks.createSnapshot of the component Snapshot Creation. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality. The summary by CVE is:

A Missing Authorization vulnerability in the disks.createSnapshot and regionDisks.createSnapshot APIs in Google Compute Engine versions prior to 2026-08-31 on Google Cloud Platform allows an authenticated attacker to exfiltrate cross-project disk data. This vulnerability was patched on 31 August 2026, and no customer action is needed.

The advisory is shared at docs.cloud.google.com. The identification of this vulnerability is CVE-2026-85299 since 09/03/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/27/2026). MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

Upgrading to version 2026-08-31 eliminates this vulnerability.

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Productinfo

Vendor

Name

License

Managed Service

  • yes

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Status: 🔍

0-Day Time: 🔒

Upgrade: Compute Engine 2026-08-31

Timelineinfo

09/03/2026 CVE reserved
10/27/2026 +54 days Advisory disclosed
10/27/2026 +0 days VulDB entry created
10/27/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: google.com

Advisory: docs.cloud.google.com
Status: Confirmed

CVE: CVE-2026-85299 (🔒)
GCVE (CVE): GCVE-0-2026-85299
GCVE (VulDB): GCVE-100-427085

Entryinfo

Created: 10/27/2026 10:34
Changes: 10/27/2026 10:34 (68)
Complete: 🔍
Cache ID: 216::103

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