CVE-2026-52103

9.8 criticalEPSS 1.1%

Critical (9.8). EPSS 1.1% chance of exploitation in the next 30 days.

A zero-click remote code execution (RCE) vulnerability in the /Terminal/Notification.hs component of SimpleX Chat before v6.5 allows attackers to execute arbitrary commands in the context of the application without user interaction via sending a crafted payload in a text message.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)
CWE: CWE-94
Published: 2026-08-26
Modified: 2026-09-09
Record from: the NVD, synced 2026-10-19

References

https://te.mpe.st/disclosures/20260510-simplex.html

Check your stack JSON