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CVE-2026-25145 is a medium severity vulnerability with a CVSS score of 5.5. No known exploits currently, and patches are available.
Very low probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
An attacker who can influence a melange configuration file (e.g., through pull request-driven CI or build-as-a-service scenarios) could read arbitrary files from the host system. The LicensingInfos function in pkg/config/config.go reads license files specified in copyright[].license-path without validating that paths remain within the workspace directory, allowing path traversal via ../ sequences. The contents of the traversed file are embedded into the generated SBOM as license text, enabling exfiltration of sensitive data through build artifacts.
Fix: Merged in commit 2f95c9f4
Acknowledgements
melange thanks Oleh Konko (@1seal) from 1seal for discovering and reporting this issue.
| Vendor | Product |
|---|---|
| Chainguard | Melange |
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