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Vulnerability Details :

CVE-2026-3136

Assigner Org ID-f45cbf4e-4146-4068-b7e1-655ffc2c548c

Published At-03 Mar, 2026 | 16:22

Updated At-03 Mar, 2026 | 16:38

Google Cloud Build Comment Control Bypass

An improper authorization vulnerability in GitHub Trigger Comment Control in Google Cloud Build prior to 2026-1-26 allows a remote attacker to execute arbitrary code in the build environment. This vulnerability was patched on 26 January 2026, and no customer action is needed.

▼Common Vulnerabilities and Exposures (CVE)

cve.org

Assigner:GoogleCloud

Assigner Org ID:f45cbf4e-4146-4068-b7e1-655ffc2c548c

Published At:03 Mar, 2026 | 16:22

Updated At:03 Mar, 2026 | 16:38

▼CVE Numbering Authority (CNA)

Google Cloud Build Comment Control Bypass

Affected Products

Vendor

Google Cloud

Product

Cloud Build

Default Status

unaffected

Versions

Affected

From 0 before 1/26/2026 (date)

Problem Types

Type	CWE ID	Description
CWE	CWE-863	CWE-863 Incorrect Authorization (Permission Bypass)

Type: CWE

CWE ID: CWE-863

Description: CWE-863 Incorrect Authorization (Permission Bypass)

Metrics

Version	Base score	Base severity	Vector
4.0	8.6	HIGH	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/U:Clear

Version: 4.0

Base score: 8.6

Base severity: HIGH

Vector:

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/U:Clear

Impacts

CAPEC ID	Description
CAPEC-165	CAPEC-165 File Manipulation

CAPEC ID: CAPEC-165

Description: CAPEC-165 File Manipulation

Credits

reporter

inspector-ambitious

References

Hyperlink	Resource
https://docs.cloud.google.com/build/docs/release-notes#March_03_2026	N/A

Hyperlink: https://docs.cloud.google.com/build/docs/release-notes#March_03_2026

Resource: N/A

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Metrics Other Info

▼National Vulnerability Database (NVD)

nvd.nist.gov

Source:f45cbf4e-4146-4068-b7e1-655ffc2c548c

Published At:03 Mar, 2026 | 17:16

Updated At:03 Mar, 2026 | 21:52

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	4.0	8.6	HIGH	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Clear

Type: Secondary

Version: 4.0

Base score: 8.6

Base severity: HIGH

Vector:

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Clear

Weaknesses

CWE ID	Type	Source
CWE-863	Secondary	f45cbf4e-4146-4068-b7e1-655ffc2c548c

CWE ID: CWE-863

Type: Secondary

Source: f45cbf4e-4146-4068-b7e1-655ffc2c548c

References

Hyperlink	Source	Resource
https://docs.cloud.google.com/build/docs/release-notes#March_03_2026	f45cbf4e-4146-4068-b7e1-655ffc2c548c	N/A

Hyperlink: https://docs.cloud.google.com/build/docs/release-notes#March_03_2026

Source: f45cbf4e-4146-4068-b7e1-655ffc2c548c

Resource: N/A

CVE-2026-3136

Credits

Google Cloud Build Comment Control Bypass

Vendors

Products

Metrics (CVSS)

Weaknesses

Attack Patterns

Solution/Workaround

References

EPSS History

Score

Latest Score

N/A

Percentile

Latest Percentile

N/A

Stakeholder-Specific Vulnerability Categorization (SSVC)

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History

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