CVE-2022-39296 is a high-severity (CVSS 8.6) Path Traversal vulnerability in melisplatform/melis-asset-manager. A fix is available for melisplatform/melis-asset-manager — see the affected versions and patch details below.
Path traversal in MelisAssetManager
Exploitation Status
No confirmed exploitation observed yet
- CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.
- 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-2022-39296.
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
melisplatform/melis-asset-managerReal-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
Impact
Attackers can read arbitrary files on affected versions of melisplatform/melis-asset-manager, leading to the disclosure of sensitive information. Conducting this attack does not require authentication.
Users should immediately upgrade to melisplatform/melis-asset-manager >= 5.0.1.
Patches
This issue was addressed by restricting access to files to intended directories only.
References
- https://github.com/melisplatform/melis-asset-manager/commit/a0f75918c049aff78953a0bc91c585153595d1bd
For more information
If you have any questions or comments about this advisory, you can contact:
- The original reporters, by sending an email to vulnerability.research [at] sonarsource.com;
- The maintainers, by opening an issue on this repository.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐘Packagist | melisplatform/melis-asset-manager | all versions | 5.0.1composer require melisplatform/melis-asset-manager:^5.0.1 |
Affected Products
melis-asset-managermelistechnologyDetection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for melisplatform/melis-asset-manager, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update melisplatform/melis-asset-manager to 5.0.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-39296 is resolved across your whole dependency graph.
Workarounds
Resolve every user-supplied path to its canonical form and reject anything that escapes the intended directory, and run the component under an account that has no read or write access outside the directory it legitimately serves.
Frequently Asked Questions
Is CVE-2022-39296 in your dependencies?
Find it across Packagist, including transitive dependencies.