CVE-2026-30958

Name: CVE-2026-30958
Creator: NVD / NIST
Published: 2026-03-10T18:18:54.883+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.6/10EPSS 0.46%

Last modified Jun 17, 2026

CVE-2026-30958 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. 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. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.6/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

EPSS Probability

0.46%

36.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Hackerbay	Oneuptime	< 10.0.21

References

https://github.com/OneUptime/oneuptime/releases/tag/10.0.21Product, Release Notes
https://github.com/OneUptime/oneuptime/security/advisories/GHSA-p2wh-9pw8-hvffExploit, Mitigation, Vendor Advisory

Timeline

Published: Mar 10, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-30958?

How severe is CVE-2026-30958?

CVE-2026-30958 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2026-30958?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-30958?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST