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Vulnerability Details :

CVE-2026-23520

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-15 Jan, 2026 | 19:20
Updated At-15 Jan, 2026 | 19:58
Rejected At-
Credits

Arcane has a Command Injection in Arcane Updater Lifecycle Labels Enables RCE

Arcane provides modern docker management. Prior to 1.13.0, Arcane has a command injection in the updater service. Arcane’s updater service supported lifecycle labels com.getarcaneapp.arcane.lifecycle.pre-update and com.getarcaneapp.arcane.lifecycle.post-update that allowed defining a command to run before or after a container update. The label value is passed directly to /bin/sh -c without sanitization or validation. Because any authenticated user (not limited to administrators) can create projects through the API, an attacker can create a project that specifies one of these lifecycle labels with a malicious command. When an administrator later triggers a container update (either manually or via scheduled update checks), Arcane reads the lifecycle label and executes its value as a shell command inside the container. This vulnerability is fixed in 1.13.0.

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:15 Jan, 2026 | 19:20
Updated At:15 Jan, 2026 | 19:58
Rejected At:
▼CVE Numbering Authority (CNA)
Arcane has a Command Injection in Arcane Updater Lifecycle Labels Enables RCE

Arcane provides modern docker management. Prior to 1.13.0, Arcane has a command injection in the updater service. Arcane’s updater service supported lifecycle labels com.getarcaneapp.arcane.lifecycle.pre-update and com.getarcaneapp.arcane.lifecycle.post-update that allowed defining a command to run before or after a container update. The label value is passed directly to /bin/sh -c without sanitization or validation. Because any authenticated user (not limited to administrators) can create projects through the API, an attacker can create a project that specifies one of these lifecycle labels with a malicious command. When an administrator later triggers a container update (either manually or via scheduled update checks), Arcane reads the lifecycle label and executes its value as a shell command inside the container. This vulnerability is fixed in 1.13.0.

Affected Products
Vendor
getarcaneapp
Product
arcane
Versions
Affected
  • < 1.13.0
Problem Types
TypeCWE IDDescription
CWECWE-78CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Type: CWE
CWE ID: CWE-78
Description: CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Metrics
VersionBase scoreBase severityVector
3.19.1CRITICAL
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Version: 3.1
Base score: 9.1
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/getarcaneapp/arcane/security/advisories/GHSA-gjqq-6r35-w3r8
x_refsource_CONFIRM
https://github.com/getarcaneapp/arcane/pull/1468
x_refsource_MISC
https://github.com/getarcaneapp/arcane/commit/5a9c2f92e11f86f8997da8c672844468f930b7e4
x_refsource_MISC
https://github.com/getarcaneapp/arcane/releases/tag/v1.13.0
x_refsource_MISC
Hyperlink: https://github.com/getarcaneapp/arcane/security/advisories/GHSA-gjqq-6r35-w3r8
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/getarcaneapp/arcane/pull/1468
Resource:
x_refsource_MISC
Hyperlink: https://github.com/getarcaneapp/arcane/commit/5a9c2f92e11f86f8997da8c672844468f930b7e4
Resource:
x_refsource_MISC
Hyperlink: https://github.com/getarcaneapp/arcane/releases/tag/v1.13.0
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:15 Jan, 2026 | 20:16
Updated At:05 Feb, 2026 | 21:37

Arcane provides modern docker management. Prior to 1.13.0, Arcane has a command injection in the updater service. Arcane’s updater service supported lifecycle labels com.getarcaneapp.arcane.lifecycle.pre-update and com.getarcaneapp.arcane.lifecycle.post-update that allowed defining a command to run before or after a container update. The label value is passed directly to /bin/sh -c without sanitization or validation. Because any authenticated user (not limited to administrators) can create projects through the API, an attacker can create a project that specifies one of these lifecycle labels with a malicious command. When an administrator later triggers a container update (either manually or via scheduled update checks), Arcane reads the lifecycle label and executes its value as a shell command inside the container. This vulnerability is fixed in 1.13.0.

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
Secondary3.19.0CRITICAL
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Primary3.18.0HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 9.0
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 8.0
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CPE Matches

arcane
arcane
>>arcane>>Versions before 1.13.0(exclusive)
cpe:2.3:a:arcane:arcane:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-78Primarysecurity-advisories@github.com
CWE ID: CWE-78
Type: Primary
Source: security-advisories@github.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/getarcaneapp/arcane/commit/5a9c2f92e11f86f8997da8c672844468f930b7e4security-advisories@github.com
Exploit
https://github.com/getarcaneapp/arcane/pull/1468security-advisories@github.com
Issue Tracking
https://github.com/getarcaneapp/arcane/releases/tag/v1.13.0security-advisories@github.com
Release Notes
https://github.com/getarcaneapp/arcane/security/advisories/GHSA-gjqq-6r35-w3r8security-advisories@github.com
Vendor Advisory
Hyperlink: https://github.com/getarcaneapp/arcane/commit/5a9c2f92e11f86f8997da8c672844468f930b7e4
Source: security-advisories@github.com
Resource:
Exploit
Hyperlink: https://github.com/getarcaneapp/arcane/pull/1468
Source: security-advisories@github.com
Resource:
Issue Tracking
Hyperlink: https://github.com/getarcaneapp/arcane/releases/tag/v1.13.0
Source: security-advisories@github.com
Resource:
Release Notes
Hyperlink: https://github.com/getarcaneapp/arcane/security/advisories/GHSA-gjqq-6r35-w3r8
Source: security-advisories@github.com
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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EPSS-66.25% / 98.49%
||
7 Day CHG~0.00%
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Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Scope of workflow operations is not validated in nextcloud server

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Product-nextcloud_serversecurity-advisories
CWE ID-CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Details not found