What’s Vulnerable › Vulnerabilities

CVE-2024-42468: Path traversal (CometVisu)

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-08-12 · updated 2026-06-17
• Weakness: CWE-22

Description

openHAB, a provider of open-source home automation software, has add-ons including the visualization add-on CometVisu. CometVisuServlet in versions prior to 4.2.1 is susceptible to an unauthenticated path traversal vulnerability. Local files on the server can be requested via HTTP GET on the CometVisuServlet. This issue may lead to information disclosure. Users should upgrade to version 4.2.1 of the CometVisu add-on of openHAB to receive a patch.

Affected products

• openhab-webui: before 4.2.1 — fixed in 4.2.1

How to fix

Upgrade to a fixed version: openhab-webui 4.2.1. Check the vendor advisory for mitigations.

References

• https://github.com/openhab/openhab-webui/blob/1c03c60f84388b9d7da0231df2d4ebb1e17d3fcf/bundles/org.openhab.ui.cometvisu/src/main/java/org/openhab/ui/cometvisu/internal/servlet/CometVisuServlet.java#L75
• https://github.com/openhab/openhab-webui/commit/630e8525835c698cf58856aa43782d92b18087f2
• https://github.com/openhab/openhab-webui/security/advisories/GHSA-pcwp-26pw-j98w

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