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Vulnerability Details :

CVE-2026-33202

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-23 Mar, 2026 | 23:34
Updated At-24 Mar, 2026 | 15:44
Rejected At-
Credits

Rails Active Storage has possible glob injection in its DiskService

Active Storage allows users to attach cloud and local files in Rails applications. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, Active Storage's `DiskService#delete_prefixed` passes blob keys directly to `Dir.glob` without escaping glob metacharacters. If a blob key contains attacker-controlled input or custom-generated keys with glob metacharacters, it may be possible to delete unintended files from the storage directory. Versions 8.1.2.1, 8.0.4.1, and 7.2.3.1 contain a patch.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:23 Mar, 2026 | 23:34
Updated At:24 Mar, 2026 | 15:44
Rejected At:
▼CVE Numbering Authority (CNA)
Rails Active Storage has possible glob injection in its DiskService

Active Storage allows users to attach cloud and local files in Rails applications. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, Active Storage's `DiskService#delete_prefixed` passes blob keys directly to `Dir.glob` without escaping glob metacharacters. If a blob key contains attacker-controlled input or custom-generated keys with glob metacharacters, it may be possible to delete unintended files from the storage directory. Versions 8.1.2.1, 8.0.4.1, and 7.2.3.1 contain a patch.

Affected Products
Vendor
Ruby on Railsrails
Product
activestorage
Versions
Affected
  • >= 8.1.0.beta1, < 8.1.2.1
  • >= 8.0.0.beta1, < 8.0.4.1
  • < 7.2.3.1
Problem Types
TypeCWE IDDescription
CWECWE-74CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Type: CWE
CWE ID: CWE-74
Description: CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Metrics
VersionBase scoreBase severityVector
4.06.6MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U
Version: 4.0
Base score: 6.6
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/rails/rails/security/advisories/GHSA-73f9-jhhh-hr5m
x_refsource_CONFIRM
https://github.com/rails/rails/commit/8c9676b803820110548cdb7523800db43bc6874c
x_refsource_MISC
https://github.com/rails/rails/commit/955284d26e469a9c026a4eee5b21f0414ab0bccf
x_refsource_MISC
https://github.com/rails/rails/commit/fa19073546360856e9f4dab221fc2c5d73a45e82
x_refsource_MISC
https://github.com/rails/rails/releases/tag/v7.2.3.1
x_refsource_MISC
https://github.com/rails/rails/releases/tag/v8.0.4.1
x_refsource_MISC
https://github.com/rails/rails/releases/tag/v8.1.2.1
x_refsource_MISC
Hyperlink: https://github.com/rails/rails/security/advisories/GHSA-73f9-jhhh-hr5m
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/rails/rails/commit/8c9676b803820110548cdb7523800db43bc6874c
Resource:
x_refsource_MISC
Hyperlink: https://github.com/rails/rails/commit/955284d26e469a9c026a4eee5b21f0414ab0bccf
Resource:
x_refsource_MISC
Hyperlink: https://github.com/rails/rails/commit/fa19073546360856e9f4dab221fc2c5d73a45e82
Resource:
x_refsource_MISC
Hyperlink: https://github.com/rails/rails/releases/tag/v7.2.3.1
Resource:
x_refsource_MISC
Hyperlink: https://github.com/rails/rails/releases/tag/v8.0.4.1
Resource:
x_refsource_MISC
Hyperlink: https://github.com/rails/rails/releases/tag/v8.1.2.1
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:24 Mar, 2026 | 00:16
Updated At:24 Mar, 2026 | 17:55

Active Storage allows users to attach cloud and local files in Rails applications. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, Active Storage's `DiskService#delete_prefixed` passes blob keys directly to `Dir.glob` without escaping glob metacharacters. If a blob key contains attacker-controlled input or custom-generated keys with glob metacharacters, it may be possible to delete unintended files from the storage directory. Versions 8.1.2.1, 8.0.4.1, and 7.2.3.1 contain a patch.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.06.6MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/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:X
Primary3.19.1CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Type: Secondary
Version: 4.0
Base score: 6.6
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/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:X
Type: Primary
Version: 3.1
Base score: 9.1
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CPE Matches
Ruby on Rails
rubyonrails
>>rails>>Versions before 7.2.3.1(exclusive)
cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*
Ruby on Rails
rubyonrails
>>rails>>Versions from 8.0.0(inclusive) to 8.0.4.1(exclusive)
cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*
Ruby on Rails
rubyonrails
>>rails>>Versions from 8.1.0(inclusive) to 8.1.2.1(exclusive)
cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-74Primarysecurity-advisories@github.com
CWE ID: CWE-74
Type: Primary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/rails/rails/commit/8c9676b803820110548cdb7523800db43bc6874csecurity-advisories@github.com
Patch
https://github.com/rails/rails/commit/955284d26e469a9c026a4eee5b21f0414ab0bccfsecurity-advisories@github.com
Patch
https://github.com/rails/rails/commit/fa19073546360856e9f4dab221fc2c5d73a45e82security-advisories@github.com
Patch
https://github.com/rails/rails/releases/tag/v7.2.3.1security-advisories@github.com
Release Notes
https://github.com/rails/rails/releases/tag/v8.0.4.1security-advisories@github.com
Release Notes
https://github.com/rails/rails/releases/tag/v8.1.2.1security-advisories@github.com
Release Notes
https://github.com/rails/rails/security/advisories/GHSA-73f9-jhhh-hr5msecurity-advisories@github.com
Vendor Advisory
Hyperlink: https://github.com/rails/rails/commit/8c9676b803820110548cdb7523800db43bc6874c
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://github.com/rails/rails/commit/955284d26e469a9c026a4eee5b21f0414ab0bccf
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://github.com/rails/rails/commit/fa19073546360856e9f4dab221fc2c5d73a45e82
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://github.com/rails/rails/releases/tag/v7.2.3.1
Source: security-advisories@github.com
Resource:
Release Notes
Hyperlink: https://github.com/rails/rails/releases/tag/v8.0.4.1
Source: security-advisories@github.com
Resource:
Release Notes
Hyperlink: https://github.com/rails/rails/releases/tag/v8.1.2.1
Source: security-advisories@github.com
Resource:
Release Notes
Hyperlink: https://github.com/rails/rails/security/advisories/GHSA-73f9-jhhh-hr5m
Source: security-advisories@github.com
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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