CVE-2026-48056
IPC validation flaw lets renderer trigger local binary execution in Streambert pre-2.5.0.
Is CVE-2026-48056 being exploited?
Not confirmed. CVE-2026-48056 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.48% probability of exploitation in the next 30 days.
How severe is CVE-2026-48056?
CVE-2026-48056 is rated Critical with a CVSS score of 10.0. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-48056?
Yes. A fix has been recorded for CVE-2026-48056. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-48056 affect?
CVE-2026-48056 affects Streambert (Electron) versions < 2.5.0, Windows/macOS/Linux desktops running Streambert. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-48056?
Upgrade Streambert to 2.5.0+ and restrict/audit renderer IPC handlers.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
A compromised renderer process can execute arbitrary local binaries with the application's privileges, enabling code execution and local privilege misuse.
Immediate action required
- affected< 2.5.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.