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Vulnerability record · CVE-2026-52875 · published 18 August 2026

CVE-2026-52875: Path traversal vulnerability

Streambert is a cross-platform Electron Desktop App to stream and download video content. Prior to 2.6.0, the perform-scheduled-backup IPC handler in src/ipc/storage.js takes settings.path from a renderer-supplied object and uses the resulting directory for fs.mkdirSync, fs.writeFileSync, fs.readdirSync, and fs.unlinkSync operations without checking that it is inside an authorized backup location. A compromised renderer can choose an absolute path or a relative traversal path to create directories and write a streambert-backup-[timestamp].json file containing renderer-controlled data. The pruning loop can also delete files in that directory whose names begin with streambert-backup- and end with .json. This vulnerability is fixed in 2.6.0.

8.4 CVSS 4.0 High EPSS 0.16% · top 95.0% CWE-22 · Path traversalCWE-73 · CWE-73 Deferred
8.4CVSS 4.0 base score
0.16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
9 Sep 2026Last modified by NVD

Description

Streambert is a cross-platform Electron Desktop App to stream and download video content. Prior to 2.6.0, the perform-scheduled-backup IPC handler in src/ipc/storage.js takes settings.path from a renderer-supplied object and uses the resulting directory for fs.mkdirSync, fs.writeFileSync, fs.readdirSync, and fs.unlinkSync operations without checking that it is inside an authorized backup location. A compromised renderer can choose an absolute path or a relative traversal path to create directories and write a streambert-backup-[timestamp].json file containing renderer-controlled data. The pruning loop can also delete files in that directory whose names begin with streambert-backup- and end with .json. This vulnerability is fixed in 2.6.0.

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/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:

References

LinkTags
http://github.com/truelockmc/streambert/commit/43566ed031183b046675761c9813c5379b619269
https://github.com/truelockmc/streambert/pull/149
https://github.com/truelockmc/streambert/security/advisories/GHSA-c64m-cx97-6rc9
https://github.com/truelockmc/streambert/security/advisories/GHSA-c64m-cx97-6rc9

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Source: NIST National Vulnerability Database (record CVE-2026-52875), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.