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CVE-2026-39862

Tophat is a mobile applications testing harness. Prior to 2.5.1, Tophat is affected by remote code execution via crafted tophat:// or http://localhost:29070 URLs. The arguments query parameter flows unsanitized from URL parsing through to /bin/bash -c execution, allowing an attacker to execute arbitrary commands on a developer's macOS workstation. Any developer with Tophat installed is vulnerable. For previously trusted build hosts, no confirmation dialog appears. Attacker commands run with the
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0630979b577417fd4c2fd83e8b3394c6a17a6c186e1c944b899f2d0406f74d85
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"tophat","vendor":"Shopify","versions":[{"status":"affected","version":"< 2.5.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5e4773d89c39c9a5fc9ef35647325e9c848650e8a0bdda80429427cfcd5bb7f5 · sha256:dbee58ac423df6e5… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.3,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5e4773d89c39c9a5fc9ef35647325e9c848650e8a0bdda80429427cfcd5bb7f5 · sha256:dbee58ac423df6e5… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5e4773d89c39c9a5fc9ef35647325e9c848650e8a0bdda80429427cfcd5bb7f5 · sha256:dbee58ac423df6e5… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/Shopify/tophat/pull/139","tags":["x_refsource_MISC"],"url":"https://github.com/Shopify/tophat/pull/139"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5e4773d89c39c9a5fc9ef35647325e9c848650e8a0bdda80429427cfcd5bb7f5 · sha256:dbee58ac423df6e5… · /containers/cna/references/1
{"name":"https://github.com/Shopify/tophat/security/advisories/GHSA-8x8g-6rv5-mgg2","tags":["x_refsource_CONFIRM"],"url":"https://github.com/Shopify/tophat/security/advisories/GHSA-8x8g-6rv5-mgg2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5e4773d89c39c9a5fc9ef35647325e9c848650e8a0bdda80429427cfcd5bb7f5 · sha256:dbee58ac423df6e5… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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