NoSleep 1.5.1 XPC Mach service command/NBundlePath privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.8$0-$5k0.00

Summaryinfo

A vulnerability classified as very critical has been found in NoSleep 1.5.1. The affected element is an unknown function of the component XPC Mach service. Performing a manipulation of the argument command/NBundlePath results in privileges management. This vulnerability is identified as CVE-2026-19755. The attack is only possible with local access. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as very critical, was found in NoSleep 1.5.1. This affects some unknown processing of the component XPC Mach service. The manipulation of the argument command/NBundlePath with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

NoSleep 1.5.1 exposes a privileged XPC Mach service and accepts raw dictionary messages containing attacker-controlled command and NSBundlePath values.This issue affects NoSleep: 1.5.1.

The advisory is shared at fluidattacks.com. This vulnerability is uniquely identified as CVE-2026-19755 since 08/13/2026. The exploitability is told to be easy. An attack has to be approached locally. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/20/2026). MITRE ATT&CK project uses the attack technique T1068 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.8

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

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: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/13/2026 CVE reserved
08/20/2026 +7 days Advisory disclosed
08/20/2026 +0 days VulDB entry created
08/20/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: fluidattacks.com
Status: Not defined

CVE: CVE-2026-19755 (🔒)
GCVE (CVE): GCVE-0-2026-19755
GCVE (VulDB): GCVE-100-393861

Entryinfo

Created: 08/20/2026 22:55
Changes: 08/20/2026 22:55 (64)
Complete: 🔍
Cache ID: 216::103

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