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CVE-2026-32805— Romeo is vulnerable to Archive Slip due to missing checks in sanitization

Quick assessment

Affected
ctfer-io romeo
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Romeo是CTFer.io开源的一个Go应用代码覆盖率计算工具。 Romeo 0.2.2之前版本存在路径遍历漏洞，该漏洞源于路径遍历检查存在缺陷，可能导致任意文件写入。

AI Predicted 6.5 Difficulty: Easy EPSS 0.59% · P46

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2026-32805

Vulnerability Information
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Vulnerability Title
Romeo is vulnerable to Archive Slip due to missing checks in sanitization
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:L/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Romeo 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Romeo是CTFer.io开源的一个Go应用代码覆盖率计算工具。 Romeo 0.2.2之前版本存在路径遍历漏洞，该漏洞源于路径遍历检查存在缺陷，可能导致任意文件写入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ctfer-io romeo < 0.2.2 -

II. Public POCs for CVE-2026-32805

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III. Intelligence Information for CVE-2026-32805

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Patches & Fixes for CVE-2026-32805 (1)

Vendor Advisories for CVE-2026-32805 (1)

IV. Related Vulnerabilities

Same product: romeo
Same vendor: ctfer-io
Same weakness: CWE-22

V. Comments for CVE-2026-32805

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