CVE-2026-49143

🗓️ 02 Jun 2026 20:31:16Reported by VulnCheckType

cve🔗 web.nvd.nist.gov📰️ 2 Media mentions👁 36 Views

CVE-2026-49143: Unauthenticated RCE in BrowserStack Runner 0.9.5 via the /log handler using crafted JSON.

Reporter	Title	Published	Views	Family All 13
ATTACKERKB	CVE-2026-49143	2 Jun 202620:31	–	attackerkb
Circl	CVE-2026-49143	2 Jun 202622:00	–	circl
CNNVD	BrowserStack Runner 代码注入漏洞	2 Jun 202600:00	–	cnnvd
Cvelist	CVE-2026-49143 BrowserStack Runner 0.9.5 Unauthenticated RCE via /_log HTTP Handler	2 Jun 202620:31	–	cvelist
EUVD	EUVD-2026-34029	3 Jun 202621:39	–	euvd
Github Security Blog	browserstack-runner vulnerable to Remote Code Execution via vm sandbox escape in _log HTTP handler	3 Jun 202621:39	–	github
NVD	CVE-2026-49143	2 Jun 202621:16	–	nvd
OSV	GHSA-6VR3-7WCX-V5G5 browserstack-runner vulnerable to Remote Code Execution via vm sandbox escape in _log HTTP handler	3 Jun 202621:39	–	osv
Positive Technologies	PT-2026-45857	2 Jun 202600:00	–	ptsecurity
Positive Technologies	PT-2026-46086	3 Jun 202600:00	–	ptsecurity

Vulners

Node

browserstack browserstack-runnerRange0–0.9.5

[
  {
    "defaultStatus": "affected",
    "vendor": "browserstack",
    "product": "browserstack-runner",
    "repo": "https://github.com/browserstack/browserstack-runner",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "semver",
        "lessThanOrEqual": "0.9.5"
      }
    ]
  }
]

Source	Link
github	www.github.com/browserstack/browserstack-runner/security/advisories/GHSA-6vr3-7wcx-v5g5
vulncheck	www.vulncheck.com/advisories/browserstack-runner-unauthenticated-rce-via-log-http-handler

17 Jun 2026 10:55Current

6.7Medium risk

Vulners AI Score6.7

CVSS 48.7

CVSS 3.18.8

EPSS0.00395

SSVC

CWE-94