CVE-2026-52103CWE-94code-injection

CVE-2026-52103

Critical · published August 27, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
64.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01082 · 64.9th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-08-27T01:16Z
References (1)
https://te.mpe.st/disclosures/20260510-simplex.html · [email protected]
EPSS history
Timeline
  • 28 AUG 06:45Z
    EPSS moved — → 0%
    epss
  • 26 AUG 00:00Z
    A zero-click remote code execution (RCE) vulnerability in the /Terminal/Notification.hs component of SimpleX Chat before v6.5 allows attackers to execute…
    cvelistv5