Vulnerability Details CVE-2026-32805
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 24.6%
CVSS Severity
CVSS v3 Score 7.5
References
Products affected by CVE-2026-32805
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cpe:2.3:a:ctfer-io:romeo:0.1.0
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cpe:2.3:a:ctfer-io:romeo:0.1.1
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cpe:2.3:a:ctfer-io:romeo:0.1.2
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cpe:2.3:a:ctfer-io:romeo:0.1.3
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cpe:2.3:a:ctfer-io:romeo:0.1.4
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cpe:2.3:a:ctfer-io:romeo:0.1.5
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cpe:2.3:a:ctfer-io:romeo:0.1.6
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cpe:2.3:a:ctfer-io:romeo:0.1.7
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cpe:2.3:a:ctfer-io:romeo:0.1.8
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cpe:2.3:a:ctfer-io:romeo:0.1.9
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cpe:2.3:a:ctfer-io:romeo:0.2.0
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cpe:2.3:a:ctfer-io:romeo:0.2.1