Local file disclosure via trusted bundle path
Published Aug 20, 2026 · Updated Aug 20, 2026
Improper authorization in NoSleep 1.5.1 allows local users to expose root-owned files via crafted XPC messages to its privileged helper. The helper's Mach service reads command and NSBundlePath directly from each dictionary, derives a kext path from the supplied bundle path, and then recursively applies root ownership and permissive modes to that tree without validating the sender or constraining symlinked paths. Exploitation requires local code execution and access to the service, and the reachable effect is disclosure of attacker-selected files plus limited permission tampering on files reachable under a crafted bundle path.
Summary
What happened
Improper authorization in NoSleep 1.5.1 allows local users to expose root-owned files via crafted XPC messages to its privileged helper. The helper's Mach service reads command and NSBundlePath directly from each dictionary, derives a kext path from the supplied bundle path, and then recursively applies root ownership and permissive modes to that tree without validating the sender or constraining symlinked paths. Exploitation requires local code execution and access to the service, and the reachable effect is disclosure of attacker-selected files plus limited permission tampering on files reachable under a crafted bundle path.
The record
- CVE
- CVE-2026-19755
- Published
- Aug 20, 2026
- Updated
- Aug 20, 2026
- Vendor
- integralpro
- Product
- NoSleep
- Classifications
- CWE-862, T1222
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Aug 20, 2026CVE publishedPublication date reported by the CVE source.
- Aug 20, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=1.5.1
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
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Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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