CVE-2026-32300: Connect CMS Improper Authorization Vulnerability
HIGHCVE-2026-32300 is a HIGH (CVSS 8.1) improper authorization vulnerability (CWE-639: Authorization Bypass Through User-Controlled Key) affecting Connect CMS libraries in the Packagist ecosystem. The issue involves improper authorization in the my page profile update feature allows modification of arbitrary user information. Remediation is available by upgrading affected packages to version 1.41.1, 2.41.1.
CVE-2026-32300 at a Glance
Security Impact
CVSS: 8.1
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).
How to Fix CVE-2026-32300
To remediate this vulnerability, upgrade all affected Connect CMS dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade opensource-workshop/connect-cms to 1.41.1
Upgrade opensource-workshop/connect-cms to 2.41.1
Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for opensource-workshop/connect-cms
How to Check if You Are Affected
To determine whether your application is affected by CVE-2026-32300, inspect your project dependencies for Connect CMS:
inspect dependencies for opensource-workshop/connect-cms
Analyze the terminal output to locate any version of Connect CMS in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.41.1), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-639: Authorization Bypass Through User-Controlled Key, where the system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. In Connect CMS, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2026-32300 Affected Connect CMS Versions
2 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
opensource-workshop/connect-cms
|
Packagist |
< 1.41.1
|
1.41.1
|
|
opensource-workshop/connect-cms
|
Packagist |
≥ 2.0.0
< 2.41.1
|
2.41.1
|
References
Frequently Asked Questions
What is CVE-2026-32300?
Which Connect CMS versions are affected?
What version fixes CVE-2026-32300?
Is opensource-workshop/connect-cms affected?
What is the CVSS score of CVE-2026-32300?
What CWE is associated with CVE-2026-32300?
How can I check Packagist dependencies for CVE-2026-32300?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-qr6x-wvxr-8hm9",
"modified" : "2026-03-25T20:46:16Z",
"published" : "2026-03-23T20:39:10Z",
"aliases" : [ "CVE-2026-32300" ],
"summary" : "Connect CMS: Improper Authorization in the My Page Profile Update Feature Allows Modification of Arbitrary User Information",
"details" : "# Security Advisory — My Page Profile Update (Improper Authorization)\n\n## Summary\n\nAn improper authorization issue in the My Page profile update feature may allow modification of arbitrary user information.\n\n## Affected Versions\n\n- 1.x series: <= 1.41.0\n- 2.x series: <= 2.41.0\n\n## Patched Versions\n\n- 1.41.1\n- 2.41.1\n\n## Description\n\nIn part of the My Page profile update feature, another user's profile information or password could be modified. If exploited, arbitrary user accounts may be taken over. Exploitation requires that the attacker be able to reach the affected functionality as an authenticated user. Users affected by this vulnerability should update to a fixed version.\n\n## Solution\n\nUpdate to the fixed version.\nFor the 1.x series, update to 1.41.1 or later.\nFor the 2.x series, update to 2.41.1 or later.\n\n## Credits\n\nOpenSource WorkShops thanks **Sho Odagiri** (小田切 祥) of **GMO Cybersecurity by Ierae, Inc.** for reporting this vulnerability.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Packagist",
"name" : "opensource-workshop/connect-cms"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "1.41.1"
} ]
} ],
"database_specific" : {
"last_known_affected_version_range" : "<= 1.41.0"
}
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "opensource-workshop/connect-cms"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "2.0.0"
}, {
"fixed" : "2.41.1"
} ]
} ],
"database_specific" : {
"last_known_affected_version_range" : "<= 2.41.0"
}
} ],
"references" : [ {
"type" : "WEB",
"url" : "https://github.com/opensource-workshop/connect-cms/security/advisories/GHSA-qr6x-wvxr-8hm9"
}, {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-32300"
}, {
"type" : "WEB",
"url" : "https://github.com/opensource-workshop/connect-cms/commit/7c9951738c62a1d51b91e9956d1eb756c5d52cce"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/opensource-workshop/connect-cms"
}, {
"type" : "WEB",
"url" : "https://github.com/opensource-workshop/connect-cms/releases/tag/v1.41.1"
}, {
"type" : "WEB",
"url" : "https://github.com/opensource-workshop/connect-cms/releases/tag/v2.41.1"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-285", "CWE-639" ],
"severity" : "HIGH",
"github_reviewed" : true,
"github_reviewed_at" : "2026-03-23T20:39:10Z",
"nvd_published_at" : "2026-03-23T22:16:27Z"
}
}