OpenDeck affected by path traversal allows arbitrary file read

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Summary

CVECVE-2026-28427
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-04 20:16:19 UTC
Updated2026-04-21 15:17:56 UTC
DescriptionOpenDeck 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.

Risk And Classification

Primary CVSS: v4.0 5.9 MEDIUM from [email protected]

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: 0.000880000 probability, percentile 0.250590000 (date 2026-04-22)

Problem Types: CWE-22 | CWE-24 | CWE-22 CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | CWE-24 CWE-24: Path Traversal: '../filedir'

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary5.9MEDIUMCVSS: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/C...
4.0CNADECLARED5.9MEDIUMCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:L/SI:L/SA:L
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Attack Requirements
None
Privileges Required
None
User Interaction
Active
Confidentiality
High
Integrity
None
Availability
None
Sub Conf.
Low
Sub Integrity
Low
Sub Availability
Low

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

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Nekename Opendeck All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Nekename OpenDeck affected < 2.8.1 Not specified

References

ReferenceSourceLinkTags
github.com/nekename/OpenDeck/security/advisories/GHSA-4974-g27q-h5m8 [email protected] github.com Exploit, Vendor Advisory
github.com/nekename/OpenDeck/commit/488a52050017e95a72ba448226ac5e19a20d... [email protected] github.com Patch
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