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UK Cyber Defence
VulnerabilityDeferred

CVE-2026-115904

A vulnerability exists in Topluyo Desktop for Linux prior to version 2026.9.2410 where user-controlled URLs are unsafely processed, leading to OS Command Injection via the `openExternalLinks()` routine in `utils.js`.

CRITICAL 9.6EPSS 0.74%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.74%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Topluyo is a social networking platform. A vulnerability exists in Topluyo Desktop for Linux prior to version 2026.9.2410 where user-controlled URLs are unsafely processed, leading to OS Command Injection via the `openExternalLinks()` routine in `utils.js`. An attacker who controls a target URL can execute arbitrary operating system commands with the privileges of the user running the application upon opening the link. Version 2026.9.2410 patches the issue.

CVSS 3.1
9.6 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS
0.74% probability · 55th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-78
Source
security-advisories@github.com
EPSS trend
0%3%5%29 October 2026: 0.74%3 November 2026: 0.74%29 October 20263 November 2026

EPSS moved from 0.7% on 29 October 2026 to 0.7% on 3 November 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.