Vulnerability · Published Mar 4, 2026 · Assigned by GitHub_M

CVE-2026-28427OpenDeck affected by path traversal allows arbitrary file read

Medium 5.9

In plain English

A medium-severity path traversal in OpenDeck from nekename. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).

Severity (CVSS 4.0)5.9Medium

Exploit odds (30 days)0.5%top 56.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
nekename	OpenDeck	< 2.8.1

Weakness: CWE-22, CWE-24 · Vector: 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

References

https://github.com/nekename/OpenDeck/security/advisories/GHSA-4974-g27q-h5m8 x_refsource_CONFIRM
https://github.com/nekename/OpenDeck/commit/488a52050017e95a72ba448226ac5e19a20dd9ed x_refsource_MISC