What’s Vulnerable › Vulnerabilities

CVE-2026-63225: Redocly CLI: Path traversal when using `split` command

• Severity: medium (CVSS 4.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-16 · updated 2026-09-30
• Weakness: CWE-22

Description

Redocly CLI makes OpenAPI validation, linting, and documentation workflows easier. Prior to @redocly/cli 2.33.2, the split command constructs output paths under --outDir from untrusted OpenAPI or AsyncAPI component names and x-codeSamples lang values without verifying that the resolved target remains inside the selected directory. A description containing literal ../ traversal segments in those fields can cause the split command to place or overwrite files outside --outDir. Component data remains constrained to YAML or JSON, and code-sample filenames remain based on the HTTP method, so this is not an unrestricted arbitrary-content file write. This issue is fixed in @redocly/cli version 2.33.2.

Affected products

• redocly-cli: before 1.34.17; from 2.0.0, < 2.33.2

References

• https://github.com/Redocly/redocly-cli/commit/26a0f299fae0b3bb7bd513043d2f1e90e69f79ee
• https://github.com/Redocly/redocly-cli/commit/504120419a72b5c684471478337ee3b45d8bfad3
• https://github.com/Redocly/redocly-cli/pull/2891
• https://github.com/Redocly/redocly-cli/pull/2923
• https://github.com/Redocly/redocly-cli/releases/tag/@redocly/cli@1.34.17
• https://github.com/Redocly/redocly-cli/releases/tag/@redocly/cli@2.33.2
• https://github.com/Redocly/redocly-cli/security/advisories/GHSA-657c-g7qc-r9j2

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