CVE-2026-32805
High
Description
Romeo gives the capability to reach high code coverage of Go ≥1.20 apps by helping to measure code coverage for functional and integration tests within GitHub Actions. Prior to version 0.2.2, the `sanitizeArchivePath` function in `webserver/api/v1/decoder.go` (lines 80-88) is vulnerable to a path traversal bypass due to a missing trailing path separator in the `strings.HasPrefix` check. A crafted tar archive can write files outside the intended destination directory. Version 0.2.2 fixes the issue.
SeverityHigh
CVSS7.5
Exploit probability—
ProductCtfer-io Romeo
PublishedMar 18, 2026
First seenMar 18, 2026
Weakness typeCWE-22Path traversal
How to fix
Update
- ctfer-io romeo0.2.2 or later
- github.com/ctfer-io/romeo/webserver0.2.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ctfer-io romeo | v < 0.2.2 | 0.2.2 |
| github.com/ctfer-io/romeo/webserverGo | v < 0.2.2 | 0.2.2 |
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