🛡️ CVE-2026-28412 — textream

🟡 CVSS 6.5 — Medium ⚠️ Exploit Public CWE-400 NVD
6.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Textream is a free macOS teleprompter app. Prior to version 1.5.1, the DirectorServer WebSocket server imposes no limit on concurrent connections. Combined with a broadcast timer that sends state to all connected clients every 100 ms, an attacker can exhaust CPU and memory by flooding the server with connections, causing the Textream application to freeze and crash during a live session. Version 1.5.1 fixes the issue.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2026-28412 is classified as CWE-400: Uncontrolled Resource Consumption. A request can consume memory, CPU or storage without limit, exhausting capacity for everyone else.

Affected software

CVE-2026-28412 is recorded against 1 package.

  • textream (fixed in 1.5.1)

Timeline and source

Published on 2 March 2026 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
github.com

Details

Severity MEDIUM
CVSS Score 6.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE CWE-400
Public Exploit ⚠️ Yes
Source NVD
Published 2026-03-02
Updated 2026-08-11
Modified 2026-06-17

Affected Packages

Software From version Fixed in
textream — 1.5.1

Similar Threats

Exploit Protection

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CVE-2026-28412 carries CVSS 6.5 Medium rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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