CVE-2026-32300 is a high-severity (CVSS 8.1) CWE-285 vulnerability in opensource-workshop/connect-cms. A fix is available for opensource-workshop/connect-cms — see the affected versions and patch details below.
Connect CMS: Improper Authorization in the My Page Profile Update Feature Allows Modification of Arbitrary User Information
Exploitation Status
No confirmed exploitation observed yet
- A successful exploit gives an attacker total control of the affected component, not partial access.
- CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.
Exploitation and automatability from CISA’s SSVC triage for CVE-2026-32300.
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
How urgent is this, really
Where this sits among everything scored
Real-World Exposure
opensource-workshop/connect-cms🐘opensource-workshop/connect-cmsReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.
Description
Security Advisory — My Page Profile Update (Improper Authorization)
Summary
An improper authorization issue in the My Page profile update feature may allow modification of arbitrary user information.
Affected Versions
- 1.x series: <= 1.41.0
- 2.x series: <= 2.41.0
Patched Versions
- 1.41.1
- 2.41.1
Description
In 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.
Solution
Update to the fixed version. For the 1.x series, update to 1.41.1 or later. For the 2.x series, update to 2.41.1 or later.
Credits
OpenSource WorkShops thanks Sho Odagiri (小田切 祥) of GMO Cybersecurity by Ierae, Inc. for reporting this vulnerability.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐘Packagist | opensource-workshop/connect-cms | all versions | 1.41.1composer require opensource-workshop/connect-cms:^1.41.1 |
| 🐘Packagist | opensource-workshop/connect-cms | ≥ 2.0.0&&< 2.41.1 | 2.41.1composer require opensource-workshop/connect-cms:^2.41.1 |
Affected Products
connect-cmsopensource-workshopDetection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for opensource-workshop/connect-cms, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update opensource-workshop/connect-cms to 1.41.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2026-32300 is resolved across your whole dependency graph.
Workarounds
Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.
Frequently Asked Questions
Is CVE-2026-32300 in your dependencies?
Find it across Packagist, including transitive dependencies.