CVE-2026-28427

Name: CVE-2026-28427
Creator: NVD / NIST
Published: 2026-03-04T20:16:19.64+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 0.43%

Last modified Jun 17, 2026

CVE-2026-28427 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. OpenDeck is Linux software for your Elgato Stream Deck. Prior to 2.8.1, the service listening on port 57118 serves static files for installed plugins but does not properly sanitize path components. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

OpenDeck is Linux software for your Elgato Stream Deck. Prior to 2.8.1, the service listening on port 57118 serves static files for installed plugins but does not properly sanitize path components. By including ../ sequences in the request path, an attacker can traverse outside the intended directory and read any file OpenDeck can access. This vulnerability is fixed in 2.8.1.

Metrics

CVSS 3.1

7.5/10

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

CVSS 4.0

5.9/10

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.43%

34.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Nekename	Opendeck	< 2.8.1

References

https://github.com/nekename/OpenDeck/commit/488a52050017e95a72ba448226ac5e19a20dd9edPatch
https://github.com/nekename/OpenDeck/security/advisories/GHSA-4974-g27q-h5m8Exploit, Vendor Advisory

Timeline

Published: Mar 4, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-28427?

How severe is CVE-2026-28427?

CVE-2026-28427 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2026-28427?

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-2026-28427?

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

Scan your code now

Source: NVD / NIST