CVE-2026-48056: Streambert is a cross-platform Electron Desktop App to stream and download video content

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CRITICAL 10.0REMOTE

CVE-2026-48056 is a critical-severity flaw (CVSS 10.0) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Streambert is a cross-platform Electron Desktop App to stream and download video content. Versions prior to 2.5.0 improperly validate executable paths supplied to the run-download IPC handler, allowing a compromised renderer process to execute arbitrary local binaries with the application’s privileges. Version 2.5.0 contains a patch.

Why this priority

Critical severity
CISA SSVC: public proof of concept
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 55%)
CISA exploited list	No
Weakness	CWE-20, CWE-749
Published	2026-08-11
Last modified	2026-10-23

Publisher (CNA): GitHub, Inc.

Last updated 2026-10-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-08-11 14:17 UTCPublished CVE record published
2026-10-23 19:10 UTCUpdated Record last modified

Exact fixes by distribution

Fedora 46 · diffoscope · FIXED · 335-1.fc46 · FEDORA-2026-e4c4cc0856 · source

sudo dnf upgrade --advisory=FEDORA-2026-e4c4cc0856

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: github.com/truelockmc/streambert/security/advisories/GHSA-x267-77m6-qjc9

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-48056?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-48056 being exploited?

CVE-2026-48056 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-48056 affect?

CVE-2026-48056 affects affected software. Severity is critical (CVSS 10.0). Streambert is a cross-platform Electron Desktop App to stream and download video content. Versions prior to 2.5.0 improperly validate executable paths supplied to the run-download IPC handler, allowing a compromised renderer process to e

How urgent is CVE-2026-48056?

Priority 57/100. Critical severity; CISA SSVC: public proof of concept; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Software pages

Electron vulnerabilities

References

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