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Solution
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Workaround
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Wed, 03 Jun 2026 14:30:00 +0000
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| Metrics |
ssvc
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Wed, 03 Jun 2026 12:45:00 +0000
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| First Time appeared |
Browserstack
Browserstack browserstack-runner |
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| Vendors & Products |
Browserstack
Browserstack browserstack-runner |
Wed, 03 Jun 2026 02:30:00 +0000
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| Description | BrowserStack Runner through 0.9.5 contains a remote code execution vulnerability in the /_log HTTP handler that allows unauthenticated network-adjacent attackers to execute arbitrary code by submitting crafted JSON request bodies to the handler, which passes user-supplied data to vm.runInNewContext() combined with eval(). Attackers can escape the Node.js vm sandbox by leveraging a host-context Function reference through util.format to access the host process via this.constructor.constructor, achieving full remote code execution on the underlying system without any authentication. | |
| Title | BrowserStack Runner 0.9.5 Unauthenticated RCE via /_log HTTP Handler | |
| Weaknesses | CWE-94 | |
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-06-03T14:02:38.017Z
Reserved: 2026-05-27T17:40:12.739Z
Link: CVE-2026-49143
Updated: 2026-06-03T14:02:28.593Z
Status : Received
Published: 2026-06-02T21:16:28.070
Modified: 2026-06-03T14:16:45.433
Link: CVE-2026-49143
No data.
OpenCVE Enrichment
Updated: 2026-06-03T10:54:47Z