textream up to 1.5.0 DirectorServer WebSocket Server resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in textream up to 1.5.0 and classified as problematic. This issue affects some unknown processing of the component DirectorServer WebSocket Server. The manipulation leads to resource consumption. This vulnerability is uniquely identified as CVE-2026-28412. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in textream up to 1.5.0. It has been rated as problematic. This issue affects an unknown part of the component DirectorServer WebSocket Server. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. The summary by CVE is:

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.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-28412 since 02/27/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 1.5.1 eliminates this vulnerability. Applying the patch 3524fa96f98ba17025b48ce9e19d49d859fc2ec1 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-9201). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔒

CNA Base Score: 6.5
CNA Vector (GitHub_M): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: textream 1.5.1
Patch: 3524fa96f98ba17025b48ce9e19d49d859fc2ec1

Timelineinfo

02/27/2026 CVE reserved
03/02/2026 +3 days Advisory disclosed
03/02/2026 +0 days VulDB entry created
03/11/2026 +9 days VulDB entry last update

Sourcesinfo

Advisory: GHSA-qr5p-7x47-qxh9
Status: Confirmed

CVE: CVE-2026-28412 (🔒)
GCVE (CVE): GCVE-0-2026-28412
GCVE (VulDB): GCVE-100-348407
EUVD: 🔒

Entryinfo

Created: 03/02/2026 17:23
Updated: 03/11/2026 03:07
Changes: 03/02/2026 17:23 (66), 03/02/2026 20:10 (1), 03/04/2026 16:59 (11), 03/11/2026 03:07 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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